21171210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8933}}^1$

素因数の和:9022

約数の個数: 32

約数和(自身を含む): 51459840

約数和(自身を除く): 30288630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8933, 17866, 26799, 44665, 53598, 89330, 133995, 267990, 705707, 1411414, 2117121, 3528535, 4234242, 7057070, 10585605, 21171210]

約数ペア:

[(1, 21171210), (2, 10585605), (3, 7057070), (5, 4234242), (6, 3528535), (10, 2117121), (15, 1411414), (30, 705707), (79, 267990), (158, 133995), (237, 89330), (395, 53598), (474, 44665), (790, 26799), (1185, 17866), (2370, 8933)]