21237436

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{3989}}^1$

素因数の和:4026

約数の個数: 24

約数和(自身を含む): 40889520

約数和(自身を除く): 19652084

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 3989, 5324, 7978, 15956, 43879, 87758, 175516, 482669, 965338, 1930676, 5309359, 10618718, 21237436]

約数ペア:

[(1, 21237436), (2, 10618718), (4, 5309359), (11, 1930676), (22, 965338), (44, 482669), (121, 175516), (242, 87758), (484, 43879), (1331, 15956), (2662, 7978), (3989, 5324)]