21174286

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 38227392

約数和(自身を除く): 17053106

約数列:

[1, 2, 7, 14, 37, 41, 74, 82, 259, 287, 518, 574, 997, 1517, 1994, 3034, 6979, 10619, 13958, 21238, 36889, 40877, 73778, 81754, 258223, 286139, 516446, 572278, 1512449, 3024898, 10587143, 21174286]

約数ペア:

[(1, 21174286), (2, 10587143), (7, 3024898), (14, 1512449), (37, 572278), (41, 516446), (74, 286139), (82, 258223), (259, 81754), (287, 73778), (518, 40877), (574, 36889), (997, 21238), (1517, 13958), (1994, 10619), (3034, 6979)]