21889503

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 33153536

約数和(自身を除く): 11264033

約数列:

[1, 3, 9, 31, 67, 93, 201, 279, 603, 1171, 2077, 3513, 6231, 10539, 18693, 36301, 78457, 108903, 235371, 326709, 706113, 2432167, 7296501, 21889503]

約数ペア:

[(1, 21889503), (3, 7296501), (9, 2432167), (31, 706113), (67, 326709), (93, 235371), (201, 108903), (279, 78457), (603, 36301), (1171, 18693), (2077, 10539), (3513, 6231)]