21861388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{5449}}^1$

素因数の和:5529

約数の個数: 24

約数和(自身を含む): 41202000

約数和(自身を除く): 19340612

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 236, 1003, 2006, 4012, 5449, 10898, 21796, 92633, 185266, 321491, 370532, 642982, 1285964, 5465347, 10930694, 21861388]

約数ペア:

[(1, 21861388), (2, 10930694), (4, 5465347), (17, 1285964), (34, 642982), (59, 370532), (68, 321491), (118, 185266), (236, 92633), (1003, 21796), (2006, 10898), (4012, 5449)]