21535210

素因数分解:

$2^1\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1871}}^1$

素因数の和:3029

約数の個数: 16

約数和(自身を含む): 38817792

約数和(自身を除く): 17282582

約数列:

[1, 2, 5, 10, 1151, 1871, 2302, 3742, 5755, 9355, 11510, 18710, 2153521, 4307042, 10767605, 21535210]

約数ペア:

[(1, 21535210), (2, 10767605), (5, 4307042), (10, 2153521), (1151, 18710), (1871, 11510), (2302, 9355), (3742, 5755)]