21681602

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{677}}^1$

素因数の和:985

約数の個数: 16

約数和(自身を含む): 33194880

約数和(自身を除く): 11513278

約数列:

[1, 2, 67, 134, 239, 478, 677, 1354, 16013, 32026, 45359, 90718, 161803, 323606, 10840801, 21681602]

約数ペア:

[(1, 21681602), (2, 10840801), (67, 323606), (134, 161803), (239, 90718), (478, 45359), (677, 32026), (1354, 16013)]