21691923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4729}}^1$

素因数の和:4882

約数の個数: 16

約数和(自身を含む): 31785600

約数和(自身を除く): 10093677

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4587, 4729, 14187, 52019, 156057, 657331, 1971993, 7230641, 21691923]

約数ペア:

[(1, 21691923), (3, 7230641), (11, 1971993), (33, 657331), (139, 156057), (417, 52019), (1529, 14187), (4587, 4729)]