21300480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{43}}^2$

素因数の和:113

約数の個数: 162

約数和(自身を含む): 75451194

約数和(自身を除く): 54150714

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 256, 258, 288, 320, 344, 360, 384, 387, 430, 480, 516, 576, 640, 645, 688, 720, 768, 774, 860, 960, 1032, 1152, 1280, 1290, 1376, 1440, 1548, 1720, 1849, 1920, 1935, 2064, 2304, 2580, 2752, 2880, 3096, 3440, 3698, 3840, 3870, 4128, 5160, 5504, 5547, 5760, 6192, 6880, 7396, 7740, 8256, 9245, 10320, 11008, 11094, 11520, 12384, 13760, 14792, 15480, 16512, 16641, 18490, 20640, 22188, 24768, 27520, 27735, 29584, 30960, 33024, 33282, 36980, 41280, 44376, 49536, 55040, 55470, 59168, 61920, 66564, 73960, 82560, 83205, 88752, 99072, 110940, 118336, 123840, 133128, 147920, 165120, 166410, 177504, 221880, 236672, 247680, 266256, 295840, 332820, 355008, 443760, 473344, 495360, 532512, 591680, 665640, 710016, 887520, 1065024, 1183360, 1331280, 1420032, 1775040, 2130048, 2366720, 2662560, 3550080, 4260096, 5325120, 7100160, 10650240, 21300480]

約数ペア:

[(1, 21300480), (2, 10650240), (3, 7100160), (4, 5325120), (5, 4260096), (6, 3550080), (8, 2662560), (9, 2366720), (10, 2130048), (12, 1775040), (15, 1420032), (16, 1331280), (18, 1183360), (20, 1065024), (24, 887520), (30, 710016), (32, 665640), (36, 591680), (40, 532512), (43, 495360), (45, 473344), (48, 443760), (60, 355008), (64, 332820), (72, 295840), (80, 266256), (86, 247680), (90, 236672), (96, 221880), (120, 177504), (128, 166410), (129, 165120), (144, 147920), (160, 133128), (172, 123840), (180, 118336), (192, 110940), (215, 99072), (240, 88752), (256, 83205), (258, 82560), (288, 73960), (320, 66564), (344, 61920), (360, 59168), (384, 55470), (387, 55040), (430, 49536), (480, 44376), (516, 41280), (576, 36980), (640, 33282), (645, 33024), (688, 30960), (720, 29584), (768, 27735), (774, 27520), (860, 24768), (960, 22188), (1032, 20640), (1152, 18490), (1280, 16641), (1290, 16512), (1376, 15480), (1440, 14792), (1548, 13760), (1720, 12384), (1849, 11520), (1920, 11094), (1935, 11008), (2064, 10320), (2304, 9245), (2580, 8256), (2752, 7740), (2880, 7396), (3096, 6880), (3440, 6192), (3698, 5760), (3840, 5547), (3870, 5504), (4128, 5160)]