21461386

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{4091}}^1$

素因数の和:4197

約数の個数: 16

約数和(自身を含む): 33488928

約数和(自身を除く): 12027542

約数列:

[1, 2, 43, 61, 86, 122, 2623, 4091, 5246, 8182, 175913, 249551, 351826, 499102, 10730693, 21461386]

約数ペア:

[(1, 21461386), (2, 10730693), (43, 499102), (61, 351826), (86, 249551), (122, 175913), (2623, 8182), (4091, 5246)]