21074170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162109}}^1$

素因数の和:162129

約数の個数: 16

約数和(自身を含む): 40851720

約数和(自身を除く): 19777550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 162109, 324218, 810545, 1621090, 2107417, 4214834, 10537085, 21074170]

約数ペア:

[(1, 21074170), (2, 10537085), (5, 4214834), (10, 2107417), (13, 1621090), (26, 810545), (65, 324218), (130, 162109)]