21243630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2029}}^1$

素因数の和:2388

約数の個数: 32

約数和(自身を含む): 51156000

約数和(自身を除く): 29912370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 349, 698, 1047, 1745, 2029, 2094, 3490, 4058, 5235, 6087, 10145, 10470, 12174, 20290, 30435, 60870, 708121, 1416242, 2124363, 3540605, 4248726, 7081210, 10621815, 21243630]

約数ペア:

[(1, 21243630), (2, 10621815), (3, 7081210), (5, 4248726), (6, 3540605), (10, 2124363), (15, 1416242), (30, 708121), (349, 60870), (698, 30435), (1047, 20290), (1745, 12174), (2029, 10470), (2094, 10145), (3490, 6087), (4058, 5235)]