21686054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1031}}^1$

素因数の和:1855

約数の個数: 16

約数和(自身を含む): 35108640

約数和(自身を除く): 13422586

約数列:

[1, 2, 13, 26, 809, 1031, 1618, 2062, 10517, 13403, 21034, 26806, 834079, 1668158, 10843027, 21686054]

約数ペア:

[(1, 21686054), (2, 10843027), (13, 1668158), (26, 834079), (809, 26806), (1031, 21034), (1618, 13403), (2062, 10517)]