21487608

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 61916400

約数和(自身を除く): 40428792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 41, 58, 72, 82, 87, 116, 123, 164, 174, 232, 246, 251, 261, 328, 348, 369, 492, 502, 522, 696, 738, 753, 984, 1004, 1044, 1189, 1476, 1506, 2008, 2088, 2259, 2378, 2952, 3012, 3567, 4518, 4756, 6024, 7134, 7279, 9036, 9512, 10291, 10701, 14268, 14558, 18072, 20582, 21402, 21837, 28536, 29116, 30873, 41164, 42804, 43674, 58232, 61746, 65511, 82328, 85608, 87348, 92619, 123492, 131022, 174696, 185238, 246984, 262044, 298439, 370476, 524088, 596878, 740952, 895317, 1193756, 1790634, 2387512, 2685951, 3581268, 5371902, 7162536, 10743804, 21487608]

約数ペア:

[(1, 21487608), (2, 10743804), (3, 7162536), (4, 5371902), (6, 3581268), (8, 2685951), (9, 2387512), (12, 1790634), (18, 1193756), (24, 895317), (29, 740952), (36, 596878), (41, 524088), (58, 370476), (72, 298439), (82, 262044), (87, 246984), (116, 185238), (123, 174696), (164, 131022), (174, 123492), (232, 92619), (246, 87348), (251, 85608), (261, 82328), (328, 65511), (348, 61746), (369, 58232), (492, 43674), (502, 42804), (522, 41164), (696, 30873), (738, 29116), (753, 28536), (984, 21837), (1004, 21402), (1044, 20582), (1189, 18072), (1476, 14558), (1506, 14268), (2008, 10701), (2088, 10291), (2259, 9512), (2378, 9036), (2952, 7279), (3012, 7134), (3567, 6024), (4518, 4756)]