21888252

素因数分解:

$2^2\times 3^3\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 57002400

約数和(自身を除く): 35114148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 389, 521, 778, 1042, 1167, 1556, 1563, 2084, 2334, 3126, 3501, 4668, 4689, 6252, 7002, 9378, 10503, 14004, 14067, 18756, 21006, 28134, 42012, 56268, 202669, 405338, 608007, 810676, 1216014, 1824021, 2432028, 3648042, 5472063, 7296084, 10944126, 21888252]

約数ペア:

[(1, 21888252), (2, 10944126), (3, 7296084), (4, 5472063), (6, 3648042), (9, 2432028), (12, 1824021), (18, 1216014), (27, 810676), (36, 608007), (54, 405338), (108, 202669), (389, 56268), (521, 42012), (778, 28134), (1042, 21006), (1167, 18756), (1556, 14067), (1563, 14004), (2084, 10503), (2334, 9378), (3126, 7002), (3501, 6252), (4668, 4689)]