21459654

素因数分解:

$2^1\times 3^4\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1106

約数の個数: 40

約数和(自身を含む): 48482280

約数和(自身を除く): 27022626

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 278, 417, 834, 953, 1251, 1906, 2502, 2859, 3753, 5718, 7506, 8577, 11259, 17154, 22518, 25731, 51462, 77193, 132467, 154386, 264934, 397401, 794802, 1192203, 2384406, 3576609, 7153218, 10729827, 21459654]

約数ペア:

[(1, 21459654), (2, 10729827), (3, 7153218), (6, 3576609), (9, 2384406), (18, 1192203), (27, 794802), (54, 397401), (81, 264934), (139, 154386), (162, 132467), (278, 77193), (417, 51462), (834, 25731), (953, 22518), (1251, 17154), (1906, 11259), (2502, 8577), (2859, 7506), (3753, 5718)]