21630990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9127}}^1$

素因数の和:9216

約数の個数: 32

約数和(自身を含む): 52577280

約数和(自身を除く): 30946290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 9127, 18254, 27381, 45635, 54762, 91270, 136905, 273810, 721033, 1442066, 2163099, 3605165, 4326198, 7210330, 10815495, 21630990]

約数ペア:

[(1, 21630990), (2, 10815495), (3, 7210330), (5, 4326198), (6, 3605165), (10, 2163099), (15, 1442066), (30, 721033), (79, 273810), (158, 136905), (237, 91270), (395, 54762), (474, 45635), (790, 27381), (1185, 18254), (2370, 9127)]