21285072

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{1699}}^1$

素因数の和:1745

約数の個数: 80

約数和(自身を含む): 63240000

約数和(自身を除く): 41954928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 72, 87, 108, 116, 144, 174, 216, 232, 261, 348, 432, 464, 522, 696, 783, 1044, 1392, 1566, 1699, 2088, 3132, 3398, 4176, 5097, 6264, 6796, 10194, 12528, 13592, 15291, 20388, 27184, 30582, 40776, 45873, 49271, 61164, 81552, 91746, 98542, 122328, 147813, 183492, 197084, 244656, 295626, 366984, 394168, 443439, 591252, 733968, 788336, 886878, 1182504, 1330317, 1773756, 2365008, 2660634, 3547512, 5321268, 7095024, 10642536, 21285072]

約数ペア:

[(1, 21285072), (2, 10642536), (3, 7095024), (4, 5321268), (6, 3547512), (8, 2660634), (9, 2365008), (12, 1773756), (16, 1330317), (18, 1182504), (24, 886878), (27, 788336), (29, 733968), (36, 591252), (48, 443439), (54, 394168), (58, 366984), (72, 295626), (87, 244656), (108, 197084), (116, 183492), (144, 147813), (174, 122328), (216, 98542), (232, 91746), (261, 81552), (348, 61164), (432, 49271), (464, 45873), (522, 40776), (696, 30582), (783, 27184), (1044, 20388), (1392, 15291), (1566, 13592), (1699, 12528), (2088, 10194), (3132, 6796), (3398, 6264), (4176, 5097)]