21754872

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 43909128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 29, 36, 46, 54, 58, 69, 72, 87, 92, 108, 116, 138, 151, 174, 184, 207, 216, 232, 261, 276, 302, 348, 414, 453, 522, 552, 604, 621, 667, 696, 783, 828, 906, 1044, 1208, 1242, 1334, 1359, 1566, 1656, 1812, 2001, 2088, 2484, 2668, 2718, 3132, 3473, 3624, 4002, 4077, 4379, 4968, 5336, 5436, 6003, 6264, 6946, 8004, 8154, 8758, 10419, 10872, 12006, 13137, 13892, 16008, 16308, 17516, 18009, 20838, 24012, 26274, 27784, 31257, 32616, 35032, 36018, 39411, 41676, 48024, 52548, 62514, 72036, 78822, 83352, 93771, 100717, 105096, 118233, 125028, 144072, 157644, 187542, 201434, 236466, 250056, 302151, 315288, 375084, 402868, 472932, 604302, 750168, 805736, 906453, 945864, 1208604, 1812906, 2417208, 2719359, 3625812, 5438718, 7251624, 10877436, 21754872]

約数ペア:

[(1, 21754872), (2, 10877436), (3, 7251624), (4, 5438718), (6, 3625812), (8, 2719359), (9, 2417208), (12, 1812906), (18, 1208604), (23, 945864), (24, 906453), (27, 805736), (29, 750168), (36, 604302), (46, 472932), (54, 402868), (58, 375084), (69, 315288), (72, 302151), (87, 250056), (92, 236466), (108, 201434), (116, 187542), (138, 157644), (151, 144072), (174, 125028), (184, 118233), (207, 105096), (216, 100717), (232, 93771), (261, 83352), (276, 78822), (302, 72036), (348, 62514), (414, 52548), (453, 48024), (522, 41676), (552, 39411), (604, 36018), (621, 35032), (667, 32616), (696, 31257), (783, 27784), (828, 26274), (906, 24012), (1044, 20838), (1208, 18009), (1242, 17516), (1334, 16308), (1359, 16008), (1566, 13892), (1656, 13137), (1812, 12006), (2001, 10872), (2088, 10419), (2484, 8758), (2668, 8154), (2718, 8004), (3132, 6946), (3473, 6264), (3624, 6003), (4002, 5436), (4077, 5336), (4379, 4968)]