21986104

素因数分解:

$2^3\times 7^2\times {\mathrm{56087}}^1$

素因数の和:56107

約数の個数: 24

約数和(自身を含む): 47955240

約数和(自身を除く): 25969136

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 56087, 112174, 224348, 392609, 448696, 785218, 1570436, 2748263, 3140872, 5496526, 10993052, 21986104]

約数ペア:

[(1, 21986104), (2, 10993052), (4, 5496526), (7, 3140872), (8, 2748263), (14, 1570436), (28, 785218), (49, 448696), (56, 392609), (98, 224348), (196, 112174), (392, 56087)]