21817302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279709}}^1$

素因数の和:279727

約数の個数: 16

約数和(自身を含む): 46991280

約数和(自身を除く): 25173978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279709, 559418, 839127, 1678254, 3636217, 7272434, 10908651, 21817302]

約数ペア:

[(1, 21817302), (2, 10908651), (3, 7272434), (6, 3636217), (13, 1678254), (26, 839127), (39, 559418), (78, 279709)]