21269265

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2017}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 36808320

約数和(自身を除く): 15539055

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2017, 2109, 3515, 6051, 10085, 10545, 30255, 38323, 74629, 114969, 191615, 223887, 373145, 574845, 1119435, 1417951, 4253853, 7089755, 21269265]

約数ペア:

[(1, 21269265), (3, 7089755), (5, 4253853), (15, 1417951), (19, 1119435), (37, 574845), (57, 373145), (95, 223887), (111, 191615), (185, 114969), (285, 74629), (555, 38323), (703, 30255), (2017, 10545), (2109, 10085), (3515, 6051)]