21199360

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{13}}^2$

素因数の和:63

約数の個数: 180

約数和(自身を含む): 64025478

約数和(自身を除く): 42826118

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 169, 182, 196, 208, 224, 245, 256, 260, 280, 320, 338, 364, 392, 416, 448, 455, 490, 512, 520, 560, 637, 640, 676, 728, 784, 832, 845, 896, 910, 980, 1040, 1120, 1183, 1274, 1280, 1352, 1456, 1568, 1664, 1690, 1792, 1820, 1960, 2080, 2240, 2366, 2548, 2560, 2704, 2912, 3136, 3185, 3328, 3380, 3584, 3640, 3920, 4160, 4480, 4732, 5096, 5408, 5824, 5915, 6272, 6370, 6656, 6760, 7280, 7840, 8281, 8320, 8960, 9464, 10192, 10816, 11648, 11830, 12544, 12740, 13520, 14560, 15680, 16562, 16640, 17920, 18928, 20384, 21632, 23296, 23660, 25088, 25480, 27040, 29120, 31360, 33124, 33280, 37856, 40768, 41405, 43264, 46592, 47320, 50960, 54080, 58240, 62720, 66248, 75712, 81536, 82810, 86528, 94640, 101920, 108160, 116480, 125440, 132496, 151424, 163072, 165620, 189280, 203840, 216320, 232960, 264992, 302848, 326144, 331240, 378560, 407680, 432640, 529984, 605696, 662480, 757120, 815360, 1059968, 1324960, 1514240, 1630720, 2119936, 2649920, 3028480, 4239872, 5299840, 10599680, 21199360]

約数ペア:

[(1, 21199360), (2, 10599680), (4, 5299840), (5, 4239872), (7, 3028480), (8, 2649920), (10, 2119936), (13, 1630720), (14, 1514240), (16, 1324960), (20, 1059968), (26, 815360), (28, 757120), (32, 662480), (35, 605696), (40, 529984), (49, 432640), (52, 407680), (56, 378560), (64, 331240), (65, 326144), (70, 302848), (80, 264992), (91, 232960), (98, 216320), (104, 203840), (112, 189280), (128, 165620), (130, 163072), (140, 151424), (160, 132496), (169, 125440), (182, 116480), (196, 108160), (208, 101920), (224, 94640), (245, 86528), (256, 82810), (260, 81536), (280, 75712), (320, 66248), (338, 62720), (364, 58240), (392, 54080), (416, 50960), (448, 47320), (455, 46592), (490, 43264), (512, 41405), (520, 40768), (560, 37856), (637, 33280), (640, 33124), (676, 31360), (728, 29120), (784, 27040), (832, 25480), (845, 25088), (896, 23660), (910, 23296), (980, 21632), (1040, 20384), (1120, 18928), (1183, 17920), (1274, 16640), (1280, 16562), (1352, 15680), (1456, 14560), (1568, 13520), (1664, 12740), (1690, 12544), (1792, 11830), (1820, 11648), (1960, 10816), (2080, 10192), (2240, 9464), (2366, 8960), (2548, 8320), (2560, 8281), (2704, 7840), (2912, 7280), (3136, 6760), (3185, 6656), (3328, 6370), (3380, 6272), (3584, 5915), (3640, 5824), (3920, 5408), (4160, 5096), (4480, 4732)]