21117674452

素因数分解:

$2^2\times 7^3\times {\mathrm{2797}}^1\times {\mathrm{5503}}^1$

素因数の和:8325

約数の個数: 48

約数和(自身を含む): 43120537600

約数和(自身を除く): 22002863148

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2797, 5503, 5594, 11006, 11188, 19579, 22012, 38521, 39158, 77042, 78316, 137053, 154084, 269647, 274106, 539294, 548212, 959371, 1078588, 1887529, 1918742, 3775058, 3837484, 7550116, 15391891, 30783782, 61567564, 107743237, 215486474, 430972948, 754202659, 1508405318, 3016810636, 5279418613, 10558837226, 21117674452]

約数ペア:

[(1, 21117674452), (2, 10558837226), (4, 5279418613), (7, 3016810636), (14, 1508405318), (28, 754202659), (49, 430972948), (98, 215486474), (196, 107743237), (343, 61567564), (686, 30783782), (1372, 15391891), (2797, 7550116), (5503, 3837484), (5594, 3775058), (11006, 1918742), (11188, 1887529), (19579, 1078588), (22012, 959371), (38521, 548212), (39158, 539294), (77042, 274106), (78316, 269647), (137053, 154084)]