21921346

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{2137}}^1$

素因数の和:2385

約数の個数: 16

約数和(自身を含む): 34481664

約数和(自身を除く): 12560318

約数列:

[1, 2, 23, 46, 223, 446, 2137, 4274, 5129, 10258, 49151, 98302, 476551, 953102, 10960673, 21921346]

約数ペア:

[(1, 21921346), (2, 10960673), (23, 953102), (46, 476551), (223, 98302), (446, 49151), (2137, 10258), (4274, 5129)]