21375878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3659}}^1$

素因数の和:3811

約数の個数: 16

約数和(自身を含む): 33730560

約数和(自身を除く): 12354682

約数列:

[1, 2, 23, 46, 127, 254, 2921, 3659, 5842, 7318, 84157, 168314, 464693, 929386, 10687939, 21375878]

約数ペア:

[(1, 21375878), (2, 10687939), (23, 929386), (46, 464693), (127, 168314), (254, 84157), (2921, 7318), (3659, 5842)]