21309398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 15922090

約数列:

[1, 2, 11, 17, 22, 34, 187, 227, 251, 374, 454, 502, 2497, 2761, 3859, 4267, 4994, 5522, 7718, 8534, 42449, 46937, 56977, 84898, 93874, 113954, 626747, 968609, 1253494, 1937218, 10654699, 21309398]

約数ペア:

[(1, 21309398), (2, 10654699), (11, 1937218), (17, 1253494), (22, 968609), (34, 626747), (187, 113954), (227, 93874), (251, 84898), (374, 56977), (454, 46937), (502, 42449), (2497, 8534), (2761, 7718), (3859, 5522), (4267, 4994)]