21670326

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6959}}^1$

素因数の和:7140

約数の個数: 24

約数和(自身を含む): 47230560

約数和(自身を除く): 25560234

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6959, 13918, 20877, 41754, 62631, 125262, 1203907, 2407814, 3611721, 7223442, 10835163, 21670326]

約数ペア:

[(1, 21670326), (2, 10835163), (3, 7223442), (6, 3611721), (9, 2407814), (18, 1203907), (173, 125262), (346, 62631), (519, 41754), (1038, 20877), (1557, 13918), (3114, 6959)]