21163830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705461}}^1$

素因数の和:705471

約数の個数: 16

約数和(自身を含む): 50793264

約数和(自身を除く): 29629434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705461, 1410922, 2116383, 3527305, 4232766, 7054610, 10581915, 21163830]

約数ペア:

[(1, 21163830), (2, 10581915), (3, 7054610), (5, 4232766), (6, 3527305), (10, 2116383), (15, 1410922), (30, 705461)]