21174660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9049}}^1$

素因数の和:9077

約数の個数: 72

約数和(自身を含む): 69178200

約数和(自身を除く): 48003540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9049, 18098, 27147, 36196, 45245, 54294, 81441, 90490, 108588, 117637, 135735, 162882, 180980, 235274, 271470, 325764, 352911, 407205, 470548, 542940, 588185, 705822, 814410, 1058733, 1176370, 1411644, 1628820, 1764555, 2117466, 2352740, 3529110, 4234932, 5293665, 7058220, 10587330, 21174660]

約数ペア:

[(1, 21174660), (2, 10587330), (3, 7058220), (4, 5293665), (5, 4234932), (6, 3529110), (9, 2352740), (10, 2117466), (12, 1764555), (13, 1628820), (15, 1411644), (18, 1176370), (20, 1058733), (26, 814410), (30, 705822), (36, 588185), (39, 542940), (45, 470548), (52, 407205), (60, 352911), (65, 325764), (78, 271470), (90, 235274), (117, 180980), (130, 162882), (156, 135735), (180, 117637), (195, 108588), (234, 90490), (260, 81441), (390, 54294), (468, 45245), (585, 36196), (780, 27147), (1170, 18098), (2340, 9049)]