21581868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23357}}^1$

素因数の和:23382

約数の個数: 48

約数和(自身を含む): 62786304

約数和(自身を除く): 41204436

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 23357, 46714, 70071, 93428, 140142, 163499, 256927, 280284, 326998, 490497, 513854, 653996, 770781, 980994, 1027708, 1541562, 1798489, 1961988, 3083124, 3596978, 5395467, 7193956, 10790934, 21581868]

約数ペア:

[(1, 21581868), (2, 10790934), (3, 7193956), (4, 5395467), (6, 3596978), (7, 3083124), (11, 1961988), (12, 1798489), (14, 1541562), (21, 1027708), (22, 980994), (28, 770781), (33, 653996), (42, 513854), (44, 490497), (66, 326998), (77, 280284), (84, 256927), (132, 163499), (154, 140142), (231, 93428), (308, 70071), (462, 46714), (924, 23357)]