21529276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2311}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 40201056

約数和(自身を除く): 18671780

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2311, 2329, 4622, 4658, 9244, 9316, 39287, 78574, 157148, 316607, 633214, 1266428, 5382319, 10764638, 21529276]

約数ペア:

[(1, 21529276), (2, 10764638), (4, 5382319), (17, 1266428), (34, 633214), (68, 316607), (137, 157148), (274, 78574), (548, 39287), (2311, 9316), (2329, 9244), (4622, 4658)]