20210815803

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1\times {\mathrm{809}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 27433728000

約数和(自身を除く): 7222912197

約数列:

[1, 3, 107, 223, 321, 349, 669, 809, 1047, 2427, 23861, 37343, 71583, 77827, 86563, 112029, 180407, 233481, 259689, 282341, 541221, 847023, 8327489, 19303549, 24982467, 30210487, 57910647, 62962043, 90631461, 188886129, 6736938601, 20210815803]

約数ペア:

[(1, 20210815803), (3, 6736938601), (107, 188886129), (223, 90631461), (321, 62962043), (349, 57910647), (669, 30210487), (809, 24982467), (1047, 19303549), (2427, 8327489), (23861, 847023), (37343, 541221), (71583, 282341), (77827, 259689), (86563, 233481), (112029, 180407)]