21503168

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{4253}}^1$

素因数の和:4344

約数の個数: 28

約数和(自身を含む): 43220640

約数和(自身を除く): 21717472

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 4253, 5056, 8506, 17012, 34024, 68048, 136096, 272192, 335987, 671974, 1343948, 2687896, 5375792, 10751584, 21503168]

約数ペア:

[(1, 21503168), (2, 10751584), (4, 5375792), (8, 2687896), (16, 1343948), (32, 671974), (64, 335987), (79, 272192), (158, 136096), (316, 68048), (632, 34024), (1264, 17012), (2528, 8506), (4253, 5056)]