21775716

素因数分解:

$2^2\times 3^5\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 58522464

約数和(自身を除く): 36746748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 243, 258, 324, 387, 486, 516, 521, 774, 972, 1042, 1161, 1548, 1563, 2084, 2322, 3126, 3483, 4644, 4689, 6252, 6966, 9378, 10449, 13932, 14067, 18756, 20898, 22403, 28134, 41796, 42201, 44806, 56268, 67209, 84402, 89612, 126603, 134418, 168804, 201627, 253206, 268836, 403254, 506412, 604881, 806508, 1209762, 1814643, 2419524, 3629286, 5443929, 7258572, 10887858, 21775716]

約数ペア:

[(1, 21775716), (2, 10887858), (3, 7258572), (4, 5443929), (6, 3629286), (9, 2419524), (12, 1814643), (18, 1209762), (27, 806508), (36, 604881), (43, 506412), (54, 403254), (81, 268836), (86, 253206), (108, 201627), (129, 168804), (162, 134418), (172, 126603), (243, 89612), (258, 84402), (324, 67209), (387, 56268), (486, 44806), (516, 42201), (521, 41796), (774, 28134), (972, 22403), (1042, 20898), (1161, 18756), (1548, 14067), (1563, 13932), (2084, 10449), (2322, 9378), (3126, 6966), (3483, 6252), (4644, 4689)]