21625668

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{1153}}^1$

素因数の和:1684

約数の個数: 36

約数和(自身を含む): 54817308

約数和(自身を除く): 33191640

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1042, 1153, 1563, 2084, 2306, 3126, 3459, 4612, 4689, 6252, 6918, 9378, 10377, 13836, 18756, 20754, 41508, 600713, 1201426, 1802139, 2402852, 3604278, 5406417, 7208556, 10812834, 21625668]

約数ペア:

[(1, 21625668), (2, 10812834), (3, 7208556), (4, 5406417), (6, 3604278), (9, 2402852), (12, 1802139), (18, 1201426), (36, 600713), (521, 41508), (1042, 20754), (1153, 18756), (1563, 13836), (2084, 10377), (2306, 9378), (3126, 6918), (3459, 6252), (4612, 4689)]