21028634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22229}}^1$

素因数の和:22285

約数の個数: 16

約数和(自身を含む): 35212320

約数和(自身を除く): 14183686

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22229, 44458, 244519, 489038, 955847, 1911694, 10514317, 21028634]

約数ペア:

[(1, 21028634), (2, 10514317), (11, 1911694), (22, 955847), (43, 489038), (86, 244519), (473, 44458), (946, 22229)]