21982410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7879}}^1$

素因数の和:7923

約数の個数: 48

約数和(自身を含む): 59005440

約数和(自身を除く): 37023030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7879, 15758, 23637, 39395, 47274, 70911, 78790, 118185, 141822, 236370, 244249, 354555, 488498, 709110, 732747, 1221245, 1465494, 2198241, 2442490, 3663735, 4396482, 7327470, 10991205, 21982410]

約数ペア:

[(1, 21982410), (2, 10991205), (3, 7327470), (5, 4396482), (6, 3663735), (9, 2442490), (10, 2198241), (15, 1465494), (18, 1221245), (30, 732747), (31, 709110), (45, 488498), (62, 354555), (90, 244249), (93, 236370), (155, 141822), (186, 118185), (279, 78790), (310, 70911), (465, 47274), (558, 39395), (930, 23637), (1395, 15758), (2790, 7879)]