21336660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1049}}^1$

素因数の和:1177

約数の個数: 72

約数和(自身を含む): 65356200

約数和(自身を除く): 44019540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1049, 1130, 1356, 1695, 2034, 2098, 2260, 3147, 3390, 4068, 4196, 5085, 5245, 6294, 6780, 9441, 10170, 10490, 12588, 15735, 18882, 20340, 20980, 31470, 37764, 47205, 62940, 94410, 118537, 188820, 237074, 355611, 474148, 592685, 711222, 1066833, 1185370, 1422444, 1778055, 2133666, 2370740, 3556110, 4267332, 5334165, 7112220, 10668330, 21336660]

約数ペア:

[(1, 21336660), (2, 10668330), (3, 7112220), (4, 5334165), (5, 4267332), (6, 3556110), (9, 2370740), (10, 2133666), (12, 1778055), (15, 1422444), (18, 1185370), (20, 1066833), (30, 711222), (36, 592685), (45, 474148), (60, 355611), (90, 237074), (113, 188820), (180, 118537), (226, 94410), (339, 62940), (452, 47205), (565, 37764), (678, 31470), (1017, 20980), (1049, 20340), (1130, 18882), (1356, 15735), (1695, 12588), (2034, 10490), (2098, 10170), (2260, 9441), (3147, 6780), (3390, 6294), (4068, 5245), (4196, 5085)]