21294632

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 41321280

約数和(自身を除く): 20026648

約数列:

[1, 2, 4, 8, 43, 86, 103, 172, 206, 344, 412, 601, 824, 1202, 2404, 4429, 4808, 8858, 17716, 25843, 35432, 51686, 61903, 103372, 123806, 206744, 247612, 495224, 2661829, 5323658, 10647316, 21294632]

約数ペア:

[(1, 21294632), (2, 10647316), (4, 5323658), (8, 2661829), (43, 495224), (86, 247612), (103, 206744), (172, 123806), (206, 103372), (344, 61903), (412, 51686), (601, 35432), (824, 25843), (1202, 17716), (2404, 8858), (4429, 4808)]