21194160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6793}}^1$

素因数の和:6822

約数の個数: 80

約数和(自身を含む): 70766304

約数和(自身を除く): 49572144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6793, 13586, 20379, 27172, 33965, 40758, 54344, 67930, 81516, 88309, 101895, 108688, 135860, 163032, 176618, 203790, 264927, 271720, 326064, 353236, 407580, 441545, 529854, 543440, 706472, 815160, 883090, 1059708, 1324635, 1412944, 1630320, 1766180, 2119416, 2649270, 3532360, 4238832, 5298540, 7064720, 10597080, 21194160]

約数ペア:

[(1, 21194160), (2, 10597080), (3, 7064720), (4, 5298540), (5, 4238832), (6, 3532360), (8, 2649270), (10, 2119416), (12, 1766180), (13, 1630320), (15, 1412944), (16, 1324635), (20, 1059708), (24, 883090), (26, 815160), (30, 706472), (39, 543440), (40, 529854), (48, 441545), (52, 407580), (60, 353236), (65, 326064), (78, 271720), (80, 264927), (104, 203790), (120, 176618), (130, 163032), (156, 135860), (195, 108688), (208, 101895), (240, 88309), (260, 81516), (312, 67930), (390, 54344), (520, 40758), (624, 33965), (780, 27172), (1040, 20379), (1560, 13586), (3120, 6793)]