21510083

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 6690877

約数列:

[1, 7, 17, 23, 29, 119, 161, 203, 271, 391, 493, 667, 1897, 2737, 3451, 4607, 4669, 6233, 7859, 11339, 32249, 43631, 55013, 79373, 105961, 133603, 180757, 741727, 935221, 1265299, 3072869, 21510083]

約数ペア:

[(1, 21510083), (7, 3072869), (17, 1265299), (23, 935221), (29, 741727), (119, 180757), (161, 133603), (203, 105961), (271, 79373), (391, 55013), (493, 43631), (667, 32249), (1897, 11339), (2737, 7859), (3451, 6233), (4607, 4669)]