21273965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6379}}^1$

素因数の和:6436

約数の個数: 16

約数和(自身を含む): 27561600

約数和(自身を除く): 6287635

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 6379, 31895, 146717, 184991, 733585, 924955, 4254793, 21273965]

約数ペア:

[(1, 21273965), (5, 4254793), (23, 924955), (29, 733585), (115, 184991), (145, 146717), (667, 31895), (3335, 6379)]