21989736

素因数分解:

$2^3\times 3^2\times {\mathrm{305413}}^1$

素因数の和:305425

約数の個数: 24

約数和(自身を含む): 59555730

約数和(自身を除く): 37565994

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305413, 610826, 916239, 1221652, 1832478, 2443304, 2748717, 3664956, 5497434, 7329912, 10994868, 21989736]

約数ペア:

[(1, 21989736), (2, 10994868), (3, 7329912), (4, 5497434), (6, 3664956), (8, 2748717), (9, 2443304), (12, 1832478), (18, 1221652), (24, 916239), (36, 610826), (72, 305413)]