21983712

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 38980128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 83, 89, 93, 96, 124, 166, 178, 186, 248, 249, 267, 332, 356, 372, 496, 498, 534, 664, 712, 744, 992, 996, 1068, 1328, 1424, 1488, 1992, 2136, 2573, 2656, 2759, 2848, 2976, 3984, 4272, 5146, 5518, 7387, 7719, 7968, 8277, 8544, 10292, 11036, 14774, 15438, 16554, 20584, 22072, 22161, 29548, 30876, 33108, 41168, 44144, 44322, 59096, 61752, 66216, 82336, 88288, 88644, 118192, 123504, 132432, 177288, 228997, 236384, 247008, 264864, 354576, 457994, 686991, 709152, 915988, 1373982, 1831976, 2747964, 3663952, 5495928, 7327904, 10991856, 21983712]

約数ペア:

[(1, 21983712), (2, 10991856), (3, 7327904), (4, 5495928), (6, 3663952), (8, 2747964), (12, 1831976), (16, 1373982), (24, 915988), (31, 709152), (32, 686991), (48, 457994), (62, 354576), (83, 264864), (89, 247008), (93, 236384), (96, 228997), (124, 177288), (166, 132432), (178, 123504), (186, 118192), (248, 88644), (249, 88288), (267, 82336), (332, 66216), (356, 61752), (372, 59096), (496, 44322), (498, 44144), (534, 41168), (664, 33108), (712, 30876), (744, 29548), (992, 22161), (996, 22072), (1068, 20584), (1328, 16554), (1424, 15438), (1488, 14774), (1992, 11036), (2136, 10292), (2573, 8544), (2656, 8277), (2759, 7968), (2848, 7719), (2976, 7387), (3984, 5518), (4272, 5146)]