21722738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9689}}^1$

素因数の和:9769

約数の個数: 16

約数和(自身を含む): 34884000

約数和(自身を除く): 13161262

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9689, 19378, 184091, 368182, 571651, 1143302, 10861369, 21722738]

約数ペア:

[(1, 21722738), (2, 10861369), (19, 1143302), (38, 571651), (59, 368182), (118, 184091), (1121, 19378), (2242, 9689)]