21751680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11329}}^1$

素因数の和:11351

約数の個数: 64

約数和(自身を含む): 69339600

約数和(自身を除く): 47587920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11329, 22658, 33987, 45316, 56645, 67974, 90632, 113290, 135948, 169935, 181264, 226580, 271896, 339870, 362528, 453160, 543792, 679740, 725056, 906320, 1087584, 1359480, 1450112, 1812640, 2175168, 2718960, 3625280, 4350336, 5437920, 7250560, 10875840, 21751680]

約数ペア:

[(1, 21751680), (2, 10875840), (3, 7250560), (4, 5437920), (5, 4350336), (6, 3625280), (8, 2718960), (10, 2175168), (12, 1812640), (15, 1450112), (16, 1359480), (20, 1087584), (24, 906320), (30, 725056), (32, 679740), (40, 543792), (48, 453160), (60, 362528), (64, 339870), (80, 271896), (96, 226580), (120, 181264), (128, 169935), (160, 135948), (192, 113290), (240, 90632), (320, 67974), (384, 56645), (480, 45316), (640, 33987), (960, 22658), (1920, 11329)]