21477015

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22727}}^1$

素因数の和:22748

約数の個数: 32

約数和(自身を含む): 43637760

約数和(自身を除く): 22160745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22727, 68181, 113635, 159089, 204543, 340905, 477267, 613629, 795445, 1022715, 1431801, 2386335, 3068145, 4295403, 7159005, 21477015]

約数ペア:

[(1, 21477015), (3, 7159005), (5, 4295403), (7, 3068145), (9, 2386335), (15, 1431801), (21, 1022715), (27, 795445), (35, 613629), (45, 477267), (63, 340905), (105, 204543), (135, 159089), (189, 113635), (315, 68181), (945, 22727)]