21718827

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1504

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 13762773

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1439, 1677, 4317, 5031, 12951, 15093, 18707, 38853, 56121, 61877, 168363, 185631, 505089, 556893, 804401, 1670679, 2413203, 7239609, 21718827]

約数ペア:

[(1, 21718827), (3, 7239609), (9, 2413203), (13, 1670679), (27, 804401), (39, 556893), (43, 505089), (117, 185631), (129, 168363), (351, 61877), (387, 56121), (559, 38853), (1161, 18707), (1439, 15093), (1677, 12951), (4317, 5031)]