21896260

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3137}}^1$

素因数の和:3495

約数の個数: 24

約数和(自身を含む): 46128600

約数和(自身を除く): 24232340

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3137, 3490, 6274, 6980, 12548, 15685, 31370, 62740, 1094813, 2189626, 4379252, 5474065, 10948130, 21896260]

約数ペア:

[(1, 21896260), (2, 10948130), (4, 5474065), (5, 4379252), (10, 2189626), (20, 1094813), (349, 62740), (698, 31370), (1396, 15685), (1745, 12548), (3137, 6980), (3490, 6274)]