21537210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1327}}^1$

素因数の和:1878

約数の個数: 32

約数和(自身を含む): 51823872

約数和(自身を除く): 30286662

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 541, 1082, 1327, 1623, 2654, 2705, 3246, 3981, 5410, 6635, 7962, 8115, 13270, 16230, 19905, 39810, 717907, 1435814, 2153721, 3589535, 4307442, 7179070, 10768605, 21537210]

約数ペア:

[(1, 21537210), (2, 10768605), (3, 7179070), (5, 4307442), (6, 3589535), (10, 2153721), (15, 1435814), (30, 717907), (541, 39810), (1082, 19905), (1327, 16230), (1623, 13270), (2654, 8115), (2705, 7962), (3246, 6635), (3981, 5410)]