21877890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{25147}}^1$

素因数の和:25186

約数の個数: 32

約数和(自身を含む): 54319680

約数和(自身を除く): 32441790

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 25147, 50294, 75441, 125735, 150882, 251470, 377205, 729263, 754410, 1458526, 2187789, 3646315, 4375578, 7292630, 10938945, 21877890]

約数ペア:

[(1, 21877890), (2, 10938945), (3, 7292630), (5, 4375578), (6, 3646315), (10, 2187789), (15, 1458526), (29, 754410), (30, 729263), (58, 377205), (87, 251470), (145, 150882), (174, 125735), (290, 75441), (435, 50294), (870, 25147)]