21009090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700303}}^1$

素因数の和:700313

約数の個数: 16

約数和(自身を含む): 50421888

約数和(自身を除く): 29412798

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700303, 1400606, 2100909, 3501515, 4201818, 7003030, 10504545, 21009090]

約数ペア:

[(1, 21009090), (2, 10504545), (3, 7003030), (5, 4201818), (6, 3501515), (10, 2100909), (15, 1400606), (30, 700303)]