21285630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{236507}}^1$

素因数の和:236520

約数の個数: 24

約数和(自身を含む): 55342872

約数和(自身を除く): 34057242

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 236507, 473014, 709521, 1182535, 1419042, 2128563, 2365070, 3547605, 4257126, 7095210, 10642815, 21285630]

約数ペア:

[(1, 21285630), (2, 10642815), (3, 7095210), (5, 4257126), (6, 3547605), (9, 2365070), (10, 2128563), (15, 1419042), (18, 1182535), (30, 709521), (45, 473014), (90, 236507)]