21477458

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{113}}^2$

素因数の和:286

約数の個数: 18

約数和(自身を含む): 33663279

約数和(自身を除く): 12185821

約数列:

[1, 2, 29, 58, 113, 226, 841, 1682, 3277, 6554, 12769, 25538, 95033, 190066, 370301, 740602, 10738729, 21477458]

約数ペア:

[(1, 21477458), (2, 10738729), (29, 740602), (58, 370301), (113, 190066), (226, 95033), (841, 25538), (1682, 12769), (3277, 6554)]