21468436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13187}}^1$

素因数の和:13239

約数の個数: 24

約数和(自身を含む): 42096096

約数和(自身を除く): 20627660

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13187, 26374, 52748, 145057, 290114, 487919, 580228, 975838, 1951676, 5367109, 10734218, 21468436]

約数ペア:

[(1, 21468436), (2, 10734218), (4, 5367109), (11, 1951676), (22, 975838), (37, 580228), (44, 487919), (74, 290114), (148, 145057), (407, 52748), (814, 26374), (1628, 13187)]