21245430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2417}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 51184224

約数和(自身を除く): 29938794

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 293, 586, 879, 1465, 1758, 2417, 2930, 4395, 4834, 7251, 8790, 12085, 14502, 24170, 36255, 72510, 708181, 1416362, 2124543, 3540905, 4249086, 7081810, 10622715, 21245430]

約数ペア:

[(1, 21245430), (2, 10622715), (3, 7081810), (5, 4249086), (6, 3540905), (10, 2124543), (15, 1416362), (30, 708181), (293, 72510), (586, 36255), (879, 24170), (1465, 14502), (1758, 12085), (2417, 8790), (2930, 7251), (4395, 4834)]