21377014

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1567}}^1$

素因数の和:1947

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 12491786

約数列:

[1, 2, 19, 38, 359, 718, 1567, 3134, 6821, 13642, 29773, 59546, 562553, 1125106, 10688507, 21377014]

約数ペア:

[(1, 21377014), (2, 10688507), (19, 1125106), (38, 562553), (359, 59546), (718, 29773), (1567, 13642), (3134, 6821)]