21738240

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 288

約数和(自身を含む): 83885760

約数和(自身を除く): 62147520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 37, 40, 45, 48, 51, 54, 60, 64, 68, 72, 74, 80, 85, 90, 96, 102, 108, 111, 120, 128, 135, 136, 144, 148, 153, 160, 170, 180, 185, 192, 204, 216, 222, 240, 255, 256, 270, 272, 288, 296, 306, 320, 333, 340, 360, 370, 384, 408, 432, 444, 459, 480, 510, 540, 544, 555, 576, 592, 612, 629, 640, 666, 680, 720, 740, 765, 768, 816, 864, 888, 918, 960, 999, 1020, 1080, 1088, 1110, 1152, 1184, 1224, 1258, 1280, 1332, 1360, 1440, 1480, 1530, 1632, 1665, 1728, 1776, 1836, 1887, 1920, 1998, 2040, 2160, 2176, 2220, 2295, 2304, 2368, 2448, 2516, 2664, 2720, 2880, 2960, 3060, 3145, 3264, 3330, 3456, 3552, 3672, 3774, 3840, 3996, 4080, 4320, 4352, 4440, 4590, 4736, 4896, 4995, 5032, 5328, 5440, 5661, 5760, 5920, 6120, 6290, 6528, 6660, 6912, 7104, 7344, 7548, 7992, 8160, 8640, 8880, 9180, 9435, 9472, 9792, 9990, 10064, 10656, 10880, 11322, 11520, 11840, 12240, 12580, 13056, 13320, 14208, 14688, 15096, 15984, 16320, 16983, 17280, 17760, 18360, 18870, 19584, 19980, 20128, 21312, 21760, 22644, 23680, 24480, 25160, 26640, 28305, 28416, 29376, 30192, 31968, 32640, 33966, 34560, 35520, 36720, 37740, 39168, 39960, 40256, 42624, 45288, 47360, 48960, 50320, 53280, 56610, 58752, 60384, 63936, 65280, 67932, 71040, 73440, 75480, 79920, 80512, 84915, 85248, 90576, 97920, 100640, 106560, 113220, 117504, 120768, 127872, 135864, 142080, 146880, 150960, 159840, 161024, 169830, 181152, 195840, 201280, 213120, 226440, 241536, 255744, 271728, 293760, 301920, 319680, 339660, 362304, 402560, 426240, 452880, 483072, 543456, 587520, 603840, 639360, 679320, 724608, 805120, 905760, 1086912, 1207680, 1278720, 1358640, 1449216, 1811520, 2173824, 2415360, 2717280, 3623040, 4347648, 5434560, 7246080, 10869120, 21738240]

約数ペア:

[(1, 21738240), (2, 10869120), (3, 7246080), (4, 5434560), (5, 4347648), (6, 3623040), (8, 2717280), (9, 2415360), (10, 2173824), (12, 1811520), (15, 1449216), (16, 1358640), (17, 1278720), (18, 1207680), (20, 1086912), (24, 905760), (27, 805120), (30, 724608), (32, 679320), (34, 639360), (36, 603840), (37, 587520), (40, 543456), (45, 483072), (48, 452880), (51, 426240), (54, 402560), (60, 362304), (64, 339660), (68, 319680), (72, 301920), (74, 293760), (80, 271728), (85, 255744), (90, 241536), (96, 226440), (102, 213120), (108, 201280), (111, 195840), (120, 181152), (128, 169830), (135, 161024), (136, 159840), (144, 150960), (148, 146880), (153, 142080), (160, 135864), (170, 127872), (180, 120768), (185, 117504), (192, 113220), (204, 106560), (216, 100640), (222, 97920), (240, 90576), (255, 85248), (256, 84915), (270, 80512), (272, 79920), (288, 75480), (296, 73440), (306, 71040), (320, 67932), (333, 65280), (340, 63936), (360, 60384), (370, 58752), (384, 56610), (408, 53280), (432, 50320), (444, 48960), (459, 47360), (480, 45288), (510, 42624), (540, 40256), (544, 39960), (555, 39168), (576, 37740), (592, 36720), (612, 35520), (629, 34560), (640, 33966), (666, 32640), (680, 31968), (720, 30192), (740, 29376), (765, 28416), (768, 28305), (816, 26640), (864, 25160), (888, 24480), (918, 23680), (960, 22644), (999, 21760), (1020, 21312), (1080, 20128), (1088, 19980), (1110, 19584), (1152, 18870), (1184, 18360), (1224, 17760), (1258, 17280), (1280, 16983), (1332, 16320), (1360, 15984), (1440, 15096), (1480, 14688), (1530, 14208), (1632, 13320), (1665, 13056), (1728, 12580), (1776, 12240), (1836, 11840), (1887, 11520), (1920, 11322), (1998, 10880), (2040, 10656), (2160, 10064), (2176, 9990), (2220, 9792), (2295, 9472), (2304, 9435), (2368, 9180), (2448, 8880), (2516, 8640), (2664, 8160), (2720, 7992), (2880, 7548), (2960, 7344), (3060, 7104), (3145, 6912), (3264, 6660), (3330, 6528), (3456, 6290), (3552, 6120), (3672, 5920), (3774, 5760), (3840, 5661), (3996, 5440), (4080, 5328), (4320, 5032), (4352, 4995), (4440, 4896), (4590, 4736)]