21896738

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{823}}^1$

素因数の和:1129

約数の個数: 16

約数和(自身を含む): 33638976

約数和(自身を除く): 11742238

約数列:

[1, 2, 53, 106, 251, 502, 823, 1646, 13303, 26606, 43619, 87238, 206573, 413146, 10948369, 21896738]

約数ペア:

[(1, 21896738), (2, 10948369), (53, 413146), (106, 206573), (251, 87238), (502, 43619), (823, 26606), (1646, 13303)]