21131466

素因数分解:

$2^1\times 3^1\times {\mathrm{557}}^1\times {\mathrm{6323}}^1$

素因数の和:6885

約数の個数: 16

約数和(自身を含む): 42345504

約数和(自身を除く): 21214038

約数列:

[1, 2, 3, 6, 557, 1114, 1671, 3342, 6323, 12646, 18969, 37938, 3521911, 7043822, 10565733, 21131466]

約数ペア:

[(1, 21131466), (2, 10565733), (3, 7043822), (6, 3521911), (557, 37938), (1114, 18969), (1671, 12646), (3342, 6323)]