21117210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{703907}}^1$

素因数の和:703917

約数の個数: 16

約数和(自身を含む): 50681376

約数和(自身を除く): 29564166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 703907, 1407814, 2111721, 3519535, 4223442, 7039070, 10558605, 21117210]

約数ペア:

[(1, 21117210), (2, 10558605), (3, 7039070), (5, 4223442), (6, 3519535), (10, 2111721), (15, 1407814), (30, 703907)]