21209062

素因数分解:

$2^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 16806938

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 343, 602, 686, 719, 1438, 2107, 4214, 5033, 10066, 14749, 29498, 30917, 35231, 61834, 70462, 216419, 246617, 432838, 493234, 1514933, 3029866, 10604531, 21209062]

約数ペア:

[(1, 21209062), (2, 10604531), (7, 3029866), (14, 1514933), (43, 493234), (49, 432838), (86, 246617), (98, 216419), (301, 70462), (343, 61834), (602, 35231), (686, 30917), (719, 29498), (1438, 14749), (2107, 10066), (4214, 5033)]