21142470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17189}}^1$

素因数の和:17240

約数の個数: 32

約数和(自身を含む): 51982560

約数和(自身を除く): 30840090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17189, 34378, 51567, 85945, 103134, 171890, 257835, 515670, 704749, 1409498, 2114247, 3523745, 4228494, 7047490, 10571235, 21142470]

約数ペア:

[(1, 21142470), (2, 10571235), (3, 7047490), (5, 4228494), (6, 3523745), (10, 2114247), (15, 1409498), (30, 704749), (41, 515670), (82, 257835), (123, 171890), (205, 103134), (246, 85945), (410, 51567), (615, 34378), (1230, 17189)]