21081434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 14999206

約数列:

[1, 2, 11, 22, 29, 58, 173, 191, 319, 346, 382, 638, 1903, 2101, 3806, 4202, 5017, 5539, 10034, 11078, 33043, 55187, 60929, 66086, 110374, 121858, 363473, 726946, 958247, 1916494, 10540717, 21081434]

約数ペア:

[(1, 21081434), (2, 10540717), (11, 1916494), (22, 958247), (29, 726946), (58, 363473), (173, 121858), (191, 110374), (319, 66086), (346, 60929), (382, 55187), (638, 33043), (1903, 11078), (2101, 10034), (3806, 5539), (4202, 5017)]