21508502

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3881}}^1$

素因数の和:4063

約数の個数: 16

約数和(自身を含む): 34378992

約数和(自身を除く): 12870490

約数列:

[1, 2, 17, 34, 163, 326, 2771, 3881, 5542, 7762, 65977, 131954, 632603, 1265206, 10754251, 21508502]

約数ペア:

[(1, 21508502), (2, 10754251), (17, 1265206), (34, 632603), (163, 131954), (326, 65977), (2771, 7762), (3881, 5542)]