21005736

素因数分解:

$2^3\times 3^1\times {\mathrm{875239}}^1$

素因数の和:875248

約数の個数: 16

約数和(自身を含む): 52514400

約数和(自身を除く): 31508664

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 875239, 1750478, 2625717, 3500956, 5251434, 7001912, 10502868, 21005736]

約数ペア:

[(1, 21005736), (2, 10502868), (3, 7001912), (4, 5251434), (6, 3500956), (8, 2625717), (12, 1750478), (24, 875239)]