21379200

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 75129120

約数和(自身を除く): 53749920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 128, 131, 136, 150, 160, 170, 192, 200, 204, 240, 255, 262, 272, 300, 320, 340, 384, 393, 400, 408, 425, 480, 510, 524, 544, 600, 640, 655, 680, 786, 800, 816, 850, 960, 1020, 1048, 1088, 1200, 1275, 1310, 1360, 1572, 1600, 1632, 1700, 1920, 1965, 2040, 2096, 2176, 2227, 2400, 2550, 2620, 2720, 3144, 3200, 3264, 3275, 3400, 3930, 4080, 4192, 4454, 4800, 5100, 5240, 5440, 6288, 6528, 6550, 6681, 6800, 7860, 8160, 8384, 8908, 9600, 9825, 10200, 10480, 10880, 11135, 12576, 13100, 13362, 13600, 15720, 16320, 16768, 17816, 19650, 20400, 20960, 22270, 25152, 26200, 26724, 27200, 31440, 32640, 33405, 35632, 39300, 40800, 41920, 44540, 50304, 52400, 53448, 54400, 55675, 62880, 66810, 71264, 78600, 81600, 83840, 89080, 104800, 106896, 111350, 125760, 133620, 142528, 157200, 163200, 167025, 178160, 209600, 213792, 222700, 251520, 267240, 285056, 314400, 334050, 356320, 419200, 427584, 445400, 534480, 628800, 668100, 712640, 855168, 890800, 1068960, 1257600, 1336200, 1425280, 1781600, 2137920, 2672400, 3563200, 4275840, 5344800, 7126400, 10689600, 21379200]

約数ペア:

[(1, 21379200), (2, 10689600), (3, 7126400), (4, 5344800), (5, 4275840), (6, 3563200), (8, 2672400), (10, 2137920), (12, 1781600), (15, 1425280), (16, 1336200), (17, 1257600), (20, 1068960), (24, 890800), (25, 855168), (30, 712640), (32, 668100), (34, 628800), (40, 534480), (48, 445400), (50, 427584), (51, 419200), (60, 356320), (64, 334050), (68, 314400), (75, 285056), (80, 267240), (85, 251520), (96, 222700), (100, 213792), (102, 209600), (120, 178160), (128, 167025), (131, 163200), (136, 157200), (150, 142528), (160, 133620), (170, 125760), (192, 111350), (200, 106896), (204, 104800), (240, 89080), (255, 83840), (262, 81600), (272, 78600), (300, 71264), (320, 66810), (340, 62880), (384, 55675), (393, 54400), (400, 53448), (408, 52400), (425, 50304), (480, 44540), (510, 41920), (524, 40800), (544, 39300), (600, 35632), (640, 33405), (655, 32640), (680, 31440), (786, 27200), (800, 26724), (816, 26200), (850, 25152), (960, 22270), (1020, 20960), (1048, 20400), (1088, 19650), (1200, 17816), (1275, 16768), (1310, 16320), (1360, 15720), (1572, 13600), (1600, 13362), (1632, 13100), (1700, 12576), (1920, 11135), (1965, 10880), (2040, 10480), (2096, 10200), (2176, 9825), (2227, 9600), (2400, 8908), (2550, 8384), (2620, 8160), (2720, 7860), (3144, 6800), (3200, 6681), (3264, 6550), (3275, 6528), (3400, 6288), (3930, 5440), (4080, 5240), (4192, 5100), (4454, 4800)]