21966984

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7823}}^1$

素因数の和:7851

約数の個数: 64

約数和(自身を含む): 65721600

約数和(自身を除く): 43754616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7823, 15646, 23469, 31292, 46938, 62584, 70407, 93876, 101699, 140814, 187752, 203398, 211221, 281628, 305097, 406796, 422442, 563256, 610194, 813592, 844884, 915291, 1220388, 1689768, 1830582, 2440776, 2745873, 3661164, 5491746, 7322328, 10983492, 21966984]

約数ペア:

[(1, 21966984), (2, 10983492), (3, 7322328), (4, 5491746), (6, 3661164), (8, 2745873), (9, 2440776), (12, 1830582), (13, 1689768), (18, 1220388), (24, 915291), (26, 844884), (27, 813592), (36, 610194), (39, 563256), (52, 422442), (54, 406796), (72, 305097), (78, 281628), (104, 211221), (108, 203398), (117, 187752), (156, 140814), (216, 101699), (234, 93876), (312, 70407), (351, 62584), (468, 46938), (702, 31292), (936, 23469), (1404, 15646), (2808, 7823)]