21631290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{721043}}^1$

素因数の和:721053

約数の個数: 16

約数和(自身を含む): 51915168

約数和(自身を除く): 30283878

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 721043, 1442086, 2163129, 3605215, 4326258, 7210430, 10815645, 21631290]

約数ペア:

[(1, 21631290), (2, 10815645), (3, 7210430), (5, 4326258), (6, 3605215), (10, 2163129), (15, 1442086), (30, 721043)]