21174524

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 23278276

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 89, 116, 178, 203, 293, 356, 406, 586, 623, 812, 1172, 1246, 2051, 2492, 2581, 4102, 5162, 8204, 8497, 10324, 16994, 18067, 26077, 33988, 36134, 52154, 59479, 72268, 104308, 118958, 182539, 237916, 365078, 730156, 756233, 1512466, 3024932, 5293631, 10587262, 21174524]

約数ペア:

[(1, 21174524), (2, 10587262), (4, 5293631), (7, 3024932), (14, 1512466), (28, 756233), (29, 730156), (58, 365078), (89, 237916), (116, 182539), (178, 118958), (203, 104308), (293, 72268), (356, 59479), (406, 52154), (586, 36134), (623, 33988), (812, 26077), (1172, 18067), (1246, 16994), (2051, 10324), (2492, 8497), (2581, 8204), (4102, 5162)]