21429642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{274739}}^1$

素因数の和:274757

約数の個数: 16

約数和(自身を含む): 46156320

約数和(自身を除く): 24726678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 274739, 549478, 824217, 1648434, 3571607, 7143214, 10714821, 21429642]

約数ペア:

[(1, 21429642), (2, 10714821), (3, 7143214), (6, 3571607), (13, 1648434), (26, 824217), (39, 549478), (78, 274739)]