21710520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4639}}^1$

素因数の和:4669

約数の個数: 96

約数和(自身を含む): 76003200

約数和(自身を除く): 54292680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4639, 4680, 9278, 13917, 18556, 23195, 27834, 37112, 41751, 46390, 55668, 60307, 69585, 83502, 92780, 111336, 120614, 139170, 167004, 180921, 185560, 208755, 241228, 278340, 301535, 334008, 361842, 417510, 482456, 542763, 556680, 603070, 723684, 835020, 904605, 1085526, 1206140, 1447368, 1670040, 1809210, 2171052, 2412280, 2713815, 3618420, 4342104, 5427630, 7236840, 10855260, 21710520]

約数ペア:

[(1, 21710520), (2, 10855260), (3, 7236840), (4, 5427630), (5, 4342104), (6, 3618420), (8, 2713815), (9, 2412280), (10, 2171052), (12, 1809210), (13, 1670040), (15, 1447368), (18, 1206140), (20, 1085526), (24, 904605), (26, 835020), (30, 723684), (36, 603070), (39, 556680), (40, 542763), (45, 482456), (52, 417510), (60, 361842), (65, 334008), (72, 301535), (78, 278340), (90, 241228), (104, 208755), (117, 185560), (120, 180921), (130, 167004), (156, 139170), (180, 120614), (195, 111336), (234, 92780), (260, 83502), (312, 69585), (360, 60307), (390, 55668), (468, 46390), (520, 41751), (585, 37112), (780, 27834), (936, 23195), (1170, 18556), (1560, 13917), (2340, 9278), (4639, 4680)]