21930129

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1518

約数の個数: 32

約数和(自身を含む): 35826560

約数和(自身を除く): 13896431

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1453, 1677, 4359, 5031, 13077, 15093, 18889, 39231, 56667, 62479, 170001, 187437, 510003, 562311, 812227, 1686933, 2436681, 7310043, 21930129]

約数ペア:

[(1, 21930129), (3, 7310043), (9, 2436681), (13, 1686933), (27, 812227), (39, 562311), (43, 510003), (117, 187437), (129, 170001), (351, 62479), (387, 56667), (559, 39231), (1161, 18889), (1453, 15093), (1677, 13077), (4359, 5031)]