21091104

素因数分解:

$2^5\times 3^4\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 120

約数和(自身を含む): 63423360

約数和(自身を除く): 42332256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 79, 81, 96, 103, 108, 144, 158, 162, 206, 216, 237, 288, 309, 316, 324, 412, 432, 474, 618, 632, 648, 711, 824, 864, 927, 948, 1236, 1264, 1296, 1422, 1648, 1854, 1896, 2133, 2472, 2528, 2592, 2781, 2844, 3296, 3708, 3792, 4266, 4944, 5562, 5688, 6399, 7416, 7584, 8137, 8343, 8532, 9888, 11124, 11376, 12798, 14832, 16274, 16686, 17064, 22248, 22752, 24411, 25596, 29664, 32548, 33372, 34128, 44496, 48822, 51192, 65096, 66744, 68256, 73233, 88992, 97644, 102384, 130192, 133488, 146466, 195288, 204768, 219699, 260384, 266976, 292932, 390576, 439398, 585864, 659097, 781152, 878796, 1171728, 1318194, 1757592, 2343456, 2636388, 3515184, 5272776, 7030368, 10545552, 21091104]

約数ペア:

[(1, 21091104), (2, 10545552), (3, 7030368), (4, 5272776), (6, 3515184), (8, 2636388), (9, 2343456), (12, 1757592), (16, 1318194), (18, 1171728), (24, 878796), (27, 781152), (32, 659097), (36, 585864), (48, 439398), (54, 390576), (72, 292932), (79, 266976), (81, 260384), (96, 219699), (103, 204768), (108, 195288), (144, 146466), (158, 133488), (162, 130192), (206, 102384), (216, 97644), (237, 88992), (288, 73233), (309, 68256), (316, 66744), (324, 65096), (412, 51192), (432, 48822), (474, 44496), (618, 34128), (632, 33372), (648, 32548), (711, 29664), (824, 25596), (864, 24411), (927, 22752), (948, 22248), (1236, 17064), (1264, 16686), (1296, 16274), (1422, 14832), (1648, 12798), (1854, 11376), (1896, 11124), (2133, 9888), (2472, 8532), (2528, 8343), (2592, 8137), (2781, 7584), (2844, 7416), (3296, 6399), (3708, 5688), (3792, 5562), (4266, 4944)]