21322490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6481}}^1$

素因数の和:6542

約数の個数: 32

約数和(自身を含む): 44803584

約数和(自身を除く): 23481094

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6481, 12962, 32405, 45367, 64810, 90734, 226835, 304607, 453670, 609214, 1523035, 2132249, 3046070, 4264498, 10661245, 21322490]

約数ペア:

[(1, 21322490), (2, 10661245), (5, 4264498), (7, 3046070), (10, 2132249), (14, 1523035), (35, 609214), (47, 453670), (70, 304607), (94, 226835), (235, 90734), (329, 64810), (470, 45367), (658, 32405), (1645, 12962), (3290, 6481)]