21268944

素因数分解:

$2^4\times 3^2\times {\mathrm{127}}^1\times {\mathrm{1163}}^1$

素因数の和:1304

約数の個数: 60

約数和(自身を含む): 60043776

約数和(自身を除く): 38774832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 127, 144, 254, 381, 508, 762, 1016, 1143, 1163, 1524, 2032, 2286, 2326, 3048, 3489, 4572, 4652, 6096, 6978, 9144, 9304, 10467, 13956, 18288, 18608, 20934, 27912, 41868, 55824, 83736, 147701, 167472, 295402, 443103, 590804, 886206, 1181608, 1329309, 1772412, 2363216, 2658618, 3544824, 5317236, 7089648, 10634472, 21268944]

約数ペア:

[(1, 21268944), (2, 10634472), (3, 7089648), (4, 5317236), (6, 3544824), (8, 2658618), (9, 2363216), (12, 1772412), (16, 1329309), (18, 1181608), (24, 886206), (36, 590804), (48, 443103), (72, 295402), (127, 167472), (144, 147701), (254, 83736), (381, 55824), (508, 41868), (762, 27912), (1016, 20934), (1143, 18608), (1163, 18288), (1524, 13956), (2032, 10467), (2286, 9304), (2326, 9144), (3048, 6978), (3489, 6096), (4572, 4652)]