21023638

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 32117760

約数和(自身を除く): 11094122

約数列:

[1, 2, 79, 158, 271, 491, 542, 982, 21409, 38789, 42818, 77578, 133061, 266122, 10511819, 21023638]

約数ペア:

[(1, 21023638), (2, 10511819), (79, 266122), (158, 133061), (271, 77578), (491, 42818), (542, 38789), (982, 21409)]