21476221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 23959936

約数和(自身を除く): 2483715

約数列:

[1, 13, 43, 103, 373, 559, 1339, 4429, 4849, 16039, 38419, 57577, 208507, 499447, 1652017, 21476221]

約数ペア:

[(1, 21476221), (13, 1652017), (43, 499447), (103, 208507), (373, 57577), (559, 38419), (1339, 16039), (4429, 4849)]