21030984

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22469}}^1$

素因数の和:22494

約数の個数: 48

約数和(自身を含む): 61343100

約数和(自身を除く): 40312116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22469, 44938, 67407, 89876, 134814, 179752, 202221, 269628, 292097, 404442, 539256, 584194, 808884, 876291, 1168388, 1617768, 1752582, 2336776, 2628873, 3505164, 5257746, 7010328, 10515492, 21030984]

約数ペア:

[(1, 21030984), (2, 10515492), (3, 7010328), (4, 5257746), (6, 3505164), (8, 2628873), (9, 2336776), (12, 1752582), (13, 1617768), (18, 1168388), (24, 876291), (26, 808884), (36, 584194), (39, 539256), (52, 404442), (72, 292097), (78, 269628), (104, 202221), (117, 179752), (156, 134814), (234, 89876), (312, 67407), (468, 44938), (936, 22469)]