21141210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1723}}^1$

素因数の和:2142

約数の個数: 32

約数和(自身を含む): 50892480

約数和(自身を除く): 29751270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 1723, 2045, 2454, 3446, 4090, 5169, 6135, 8615, 10338, 12270, 17230, 25845, 51690, 704707, 1409414, 2114121, 3523535, 4228242, 7047070, 10570605, 21141210]

約数ペア:

[(1, 21141210), (2, 10570605), (3, 7047070), (5, 4228242), (6, 3523535), (10, 2114121), (15, 1409414), (30, 704707), (409, 51690), (818, 25845), (1227, 17230), (1723, 12270), (2045, 10338), (2454, 8615), (3446, 6135), (4090, 5169)]