21108768

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 58931712

約数和(自身を除く): 37822944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 41, 48, 62, 82, 93, 96, 123, 124, 164, 173, 186, 246, 248, 328, 346, 372, 492, 496, 519, 656, 692, 744, 984, 992, 1038, 1271, 1312, 1384, 1488, 1968, 2076, 2542, 2768, 2976, 3813, 3936, 4152, 5084, 5363, 5536, 7093, 7626, 8304, 10168, 10726, 14186, 15252, 16089, 16608, 20336, 21279, 21452, 28372, 30504, 32178, 40672, 42558, 42904, 56744, 61008, 64356, 85116, 85808, 113488, 122016, 128712, 170232, 171616, 219883, 226976, 257424, 340464, 439766, 514848, 659649, 680928, 879532, 1319298, 1759064, 2638596, 3518128, 5277192, 7036256, 10554384, 21108768]

約数ペア:

[(1, 21108768), (2, 10554384), (3, 7036256), (4, 5277192), (6, 3518128), (8, 2638596), (12, 1759064), (16, 1319298), (24, 879532), (31, 680928), (32, 659649), (41, 514848), (48, 439766), (62, 340464), (82, 257424), (93, 226976), (96, 219883), (123, 171616), (124, 170232), (164, 128712), (173, 122016), (186, 113488), (246, 85808), (248, 85116), (328, 64356), (346, 61008), (372, 56744), (492, 42904), (496, 42558), (519, 40672), (656, 32178), (692, 30504), (744, 28372), (984, 21452), (992, 21279), (1038, 20336), (1271, 16608), (1312, 16089), (1384, 15252), (1488, 14186), (1968, 10726), (2076, 10168), (2542, 8304), (2768, 7626), (2976, 7093), (3813, 5536), (3936, 5363), (4152, 5084)]