21929307

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 32071680

約数和(自身を除く): 10142373

約数列:

[1, 3, 29, 31, 47, 87, 93, 141, 173, 519, 899, 1363, 1457, 2697, 4089, 4371, 5017, 5363, 8131, 15051, 16089, 24393, 42253, 126759, 155527, 235799, 252061, 466581, 707397, 756183, 7309769, 21929307]

約数ペア:

[(1, 21929307), (3, 7309769), (29, 756183), (31, 707397), (47, 466581), (87, 252061), (93, 235799), (141, 155527), (173, 126759), (519, 42253), (899, 24393), (1363, 16089), (1457, 15051), (2697, 8131), (4089, 5363), (4371, 5017)]