21222435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2531}}^1$

素因数の和:2595

約数の個数: 32

約数和(自身を含む): 37433088

約数和(自身を除く): 16210653

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2531, 2795, 7593, 8385, 12655, 32903, 37965, 98709, 108833, 164515, 326499, 493545, 544165, 1414829, 1632495, 4244487, 7074145, 21222435]

約数ペア:

[(1, 21222435), (3, 7074145), (5, 4244487), (13, 1632495), (15, 1414829), (39, 544165), (43, 493545), (65, 326499), (129, 164515), (195, 108833), (215, 98709), (559, 37965), (645, 32903), (1677, 12655), (2531, 8385), (2795, 7593)]