21000368654

素因数分解:

$2^1\times {\mathrm{1487}}^1\times {\mathrm{2521}}^1\times {\mathrm{2801}}^1$

素因数の和:6811

約数の個数: 16

約数和(自身を含む): 31545498816

約数和(自身を除く): 10545130162

約数列:

[1, 2, 1487, 2521, 2801, 2974, 5042, 5602, 3748727, 4165087, 7061321, 7497454, 8330174, 14122642, 10500184327, 21000368654]

約数ペア:

[(1, 21000368654), (2, 10500184327), (1487, 14122642), (2521, 8330174), (2801, 7497454), (2974, 7061321), (5042, 4165087), (5602, 3748727)]