21477616

素因数分解:

$2^4\times {\mathrm{1103}}^1\times {\mathrm{1217}}^1$

素因数の和:2328

約数の個数: 20

約数和(自身を含む): 41684832

約数和(自身を除く): 20207216

約数列:

[1, 2, 4, 8, 16, 1103, 1217, 2206, 2434, 4412, 4868, 8824, 9736, 17648, 19472, 1342351, 2684702, 5369404, 10738808, 21477616]

約数ペア:

[(1, 21477616), (2, 10738808), (4, 5369404), (8, 2684702), (16, 1342351), (1103, 19472), (1217, 17648), (2206, 9736), (2434, 8824), (4412, 4868)]