21222512

素因数分解:

$2^4\times {\mathrm{601}}^1\times {\mathrm{2207}}^1$

素因数の和:2816

約数の個数: 20

約数和(自身を含む): 41205696

約数和(自身を除く): 19983184

約数列:

[1, 2, 4, 8, 16, 601, 1202, 2207, 2404, 4414, 4808, 8828, 9616, 17656, 35312, 1326407, 2652814, 5305628, 10611256, 21222512]

約数ペア:

[(1, 21222512), (2, 10611256), (4, 5305628), (8, 2652814), (16, 1326407), (601, 35312), (1202, 17656), (2207, 9616), (2404, 8828), (4414, 4808)]