21000901248

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{959471}}^1$

素因数の和:959510

約数の個数: 96

約数和(自身を含む): 63612993600

約数和(自身を除く): 42612092352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 288, 304, 342, 384, 456, 576, 608, 684, 912, 1152, 1216, 1368, 1824, 2432, 2736, 3648, 5472, 7296, 10944, 21888, 959471, 1918942, 2878413, 3837884, 5756826, 7675768, 8635239, 11513652, 15351536, 17270478, 18229949, 23027304, 30703072, 34540956, 36459898, 46054608, 54689847, 61406144, 69081912, 72919796, 92109216, 109379694, 122812288, 138163824, 145839592, 164069541, 184218432, 218759388, 276327648, 291679184, 328139082, 368436864, 437518776, 552655296, 583358368, 656278164, 875037552, 1105310592, 1166716736, 1312556328, 1750075104, 2333433472, 2625112656, 3500150208, 5250225312, 7000300416, 10500450624, 21000901248]

約数ペア:

[(1, 21000901248), (2, 10500450624), (3, 7000300416), (4, 5250225312), (6, 3500150208), (8, 2625112656), (9, 2333433472), (12, 1750075104), (16, 1312556328), (18, 1166716736), (19, 1105310592), (24, 875037552), (32, 656278164), (36, 583358368), (38, 552655296), (48, 437518776), (57, 368436864), (64, 328139082), (72, 291679184), (76, 276327648), (96, 218759388), (114, 184218432), (128, 164069541), (144, 145839592), (152, 138163824), (171, 122812288), (192, 109379694), (228, 92109216), (288, 72919796), (304, 69081912), (342, 61406144), (384, 54689847), (456, 46054608), (576, 36459898), (608, 34540956), (684, 30703072), (912, 23027304), (1152, 18229949), (1216, 17270478), (1368, 15351536), (1824, 11513652), (2432, 8635239), (2736, 7675768), (3648, 5756826), (5472, 3837884), (7296, 2878413), (10944, 1918942), (21888, 959471)]