21792015

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9883}}^1$

素因数の和:9908

約数の個数: 36

約数和(自身を含む): 43944264

約数和(自身を除く): 22152249

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9883, 29649, 49415, 69181, 88947, 148245, 207543, 345905, 444735, 484267, 622629, 1037715, 1452801, 2421335, 3113145, 4358403, 7264005, 21792015]

約数ペア:

[(1, 21792015), (3, 7264005), (5, 4358403), (7, 3113145), (9, 2421335), (15, 1452801), (21, 1037715), (35, 622629), (45, 484267), (49, 444735), (63, 345905), (105, 207543), (147, 148245), (245, 88947), (315, 69181), (441, 49415), (735, 29649), (2205, 9883)]