21431056

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4363}}^1$

素因数の和:4678

約数の個数: 20

約数和(自身を含む): 41667472

約数和(自身を除く): 20236416

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4363, 4912, 8726, 17452, 34904, 69808, 1339441, 2678882, 5357764, 10715528, 21431056]

約数ペア:

[(1, 21431056), (2, 10715528), (4, 5357764), (8, 2678882), (16, 1339441), (307, 69808), (614, 34904), (1228, 17452), (2456, 8726), (4363, 4912)]