21271386

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1949}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 45489600

約数和(自身を除く): 24218214

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 107, 214, 321, 642, 1819, 1949, 3638, 3898, 5457, 5847, 10914, 11694, 33133, 66266, 99399, 198798, 208543, 417086, 625629, 1251258, 3545231, 7090462, 10635693, 21271386]

約数ペア:

[(1, 21271386), (2, 10635693), (3, 7090462), (6, 3545231), (17, 1251258), (34, 625629), (51, 417086), (102, 208543), (107, 198798), (214, 99399), (321, 66266), (642, 33133), (1819, 11694), (1949, 10914), (3638, 5847), (3898, 5457)]