21871428

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{29879}}^1$

素因数の和:29947

約数の個数: 24

約数和(自身を含む): 51871680

約数和(自身を除く): 30000252

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 29879, 59758, 89637, 119516, 179274, 358548, 1822619, 3645238, 5467857, 7290476, 10935714, 21871428]

約数ペア:

[(1, 21871428), (2, 10935714), (3, 7290476), (4, 5467857), (6, 3645238), (12, 1822619), (61, 358548), (122, 179274), (183, 119516), (244, 89637), (366, 59758), (732, 29879)]