21870806

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{2273}}^1$

素因数の和:2575

約数の個数: 16

約数和(自身を含む): 34874064

約数和(自身を除く): 13003258

約数列:

[1, 2, 17, 34, 283, 566, 2273, 4546, 4811, 9622, 38641, 77282, 643259, 1286518, 10935403, 21870806]

約数ペア:

[(1, 21870806), (2, 10935403), (17, 1286518), (34, 643259), (283, 77282), (566, 38641), (2273, 9622), (4546, 4811)]