21274461

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60611}}^1$

素因数の和:60633

約数の個数: 16

約数和(自身を含む): 33942720

約数和(自身を除く): 12668259

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60611, 181833, 545499, 787943, 1636497, 2363829, 7091487, 21274461]

約数ペア:

[(1, 21274461), (3, 7091487), (9, 2363829), (13, 1636497), (27, 787943), (39, 545499), (117, 181833), (351, 60611)]