21981476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29387}}^1$

素因数の和:29419

約数の個数: 24

約数和(自身を含む): 44434656

約数和(自身を除く): 22453180

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 29387, 58774, 117548, 323257, 499579, 646514, 999158, 1293028, 1998316, 5495369, 10990738, 21981476]

約数ペア:

[(1, 21981476), (2, 10990738), (4, 5495369), (11, 1998316), (17, 1293028), (22, 999158), (34, 646514), (44, 499579), (68, 323257), (187, 117548), (374, 58774), (748, 29387)]