21747090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{724903}}^1$

素因数の和:724913

約数の個数: 16

約数和(自身を含む): 52193088

約数和(自身を除く): 30445998

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 724903, 1449806, 2174709, 3624515, 4349418, 7249030, 10873545, 21747090]

約数ペア:

[(1, 21747090), (2, 10873545), (3, 7249030), (5, 4349418), (6, 3624515), (10, 2174709), (15, 1449806), (30, 724903)]