21115306

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{6869}}^1$

素因数の和:6953

約数の個数: 16

約数和(自身を含む): 33388200

約数和(自身を除く): 12272894

約数列:

[1, 2, 29, 53, 58, 106, 1537, 3074, 6869, 13738, 199201, 364057, 398402, 728114, 10557653, 21115306]

約数ペア:

[(1, 21115306), (2, 10557653), (29, 728114), (53, 398402), (58, 364057), (106, 199201), (1537, 13738), (3074, 6869)]