21598881

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 29913600

約数和(自身を除く): 8314719

約数列:

[1, 3, 29, 87, 409, 607, 1227, 1821, 11861, 17603, 35583, 52809, 248263, 744789, 7199627, 21598881]

約数ペア:

[(1, 21598881), (3, 7199627), (29, 744789), (87, 248263), (409, 52809), (607, 35583), (1227, 17603), (1821, 11861)]