21065588

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 17036812

約数列:

[1, 2, 4, 47, 89, 94, 178, 188, 356, 1259, 2518, 4183, 5036, 8366, 16732, 59173, 112051, 118346, 224102, 236692, 448204, 5266397, 10532794, 21065588]

約数ペア:

[(1, 21065588), (2, 10532794), (4, 5266397), (47, 448204), (89, 236692), (94, 224102), (178, 118346), (188, 112051), (356, 59173), (1259, 16732), (2518, 8366), (4183, 5036)]