21398670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{237763}}^1$

素因数の和:237776

約数の個数: 24

約数和(自身を含む): 55636776

約数和(自身を除く): 34238106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 237763, 475526, 713289, 1188815, 1426578, 2139867, 2377630, 3566445, 4279734, 7132890, 10699335, 21398670]

約数ペア:

[(1, 21398670), (2, 10699335), (3, 7132890), (5, 4279734), (6, 3566445), (9, 2377630), (10, 2139867), (15, 1426578), (18, 1188815), (30, 713289), (45, 475526), (90, 237763)]