21476307

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{727}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 29469440

約数和(自身を除く): 7993133

約数列:

[1, 3, 43, 129, 229, 687, 727, 2181, 9847, 29541, 31261, 93783, 166483, 499449, 7158769, 21476307]

約数ペア:

[(1, 21476307), (3, 7158769), (43, 499449), (129, 166483), (229, 93783), (687, 31261), (727, 29541), (2181, 9847)]