21715356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139201}}^1$

素因数の和:139221

約数の個数: 24

約数和(自身を含む): 54567184

約数和(自身を除く): 32851828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139201, 278402, 417603, 556804, 835206, 1670412, 1809613, 3619226, 5428839, 7238452, 10857678, 21715356]

約数ペア:

[(1, 21715356), (2, 10857678), (3, 7238452), (4, 5428839), (6, 3619226), (12, 1809613), (13, 1670412), (26, 835206), (39, 556804), (52, 417603), (78, 278402), (156, 139201)]