21758880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:359

約数の個数: 192

約数和(自身を含む): 80777088

約数和(自身を除く): 59018208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 317, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 624, 634, 660, 715, 780, 858, 880, 951, 1040, 1056, 1144, 1248, 1268, 1320, 1430, 1560, 1585, 1716, 1760, 1902, 2080, 2145, 2288, 2536, 2640, 2860, 3120, 3170, 3432, 3487, 3804, 4121, 4290, 4576, 4755, 5072, 5280, 5720, 6240, 6340, 6864, 6974, 7608, 8242, 8580, 9510, 10144, 10461, 11440, 12363, 12680, 13728, 13948, 15216, 16484, 17160, 17435, 19020, 20605, 20922, 22880, 24726, 25360, 27896, 30432, 32968, 34320, 34870, 38040, 41210, 41844, 45331, 49452, 50720, 52305, 55792, 61815, 65936, 68640, 69740, 76080, 82420, 83688, 90662, 98904, 104610, 111584, 123630, 131872, 135993, 139480, 152160, 164840, 167376, 181324, 197808, 209220, 226655, 247260, 271986, 278960, 329680, 334752, 362648, 395616, 418440, 453310, 494520, 543972, 557920, 659360, 679965, 725296, 836880, 906620, 989040, 1087944, 1359930, 1450592, 1673760, 1813240, 1978080, 2175888, 2719860, 3626480, 4351776, 5439720, 7252960, 10879440, 21758880]

約数ペア:

[(1, 21758880), (2, 10879440), (3, 7252960), (4, 5439720), (5, 4351776), (6, 3626480), (8, 2719860), (10, 2175888), (11, 1978080), (12, 1813240), (13, 1673760), (15, 1450592), (16, 1359930), (20, 1087944), (22, 989040), (24, 906620), (26, 836880), (30, 725296), (32, 679965), (33, 659360), (39, 557920), (40, 543972), (44, 494520), (48, 453310), (52, 418440), (55, 395616), (60, 362648), (65, 334752), (66, 329680), (78, 278960), (80, 271986), (88, 247260), (96, 226655), (104, 209220), (110, 197808), (120, 181324), (130, 167376), (132, 164840), (143, 152160), (156, 139480), (160, 135993), (165, 131872), (176, 123630), (195, 111584), (208, 104610), (220, 98904), (240, 90662), (260, 83688), (264, 82420), (286, 76080), (312, 69740), (317, 68640), (330, 65936), (352, 61815), (390, 55792), (416, 52305), (429, 50720), (440, 49452), (480, 45331), (520, 41844), (528, 41210), (572, 38040), (624, 34870), (634, 34320), (660, 32968), (715, 30432), (780, 27896), (858, 25360), (880, 24726), (951, 22880), (1040, 20922), (1056, 20605), (1144, 19020), (1248, 17435), (1268, 17160), (1320, 16484), (1430, 15216), (1560, 13948), (1585, 13728), (1716, 12680), (1760, 12363), (1902, 11440), (2080, 10461), (2145, 10144), (2288, 9510), (2536, 8580), (2640, 8242), (2860, 7608), (3120, 6974), (3170, 6864), (3432, 6340), (3487, 6240), (3804, 5720), (4121, 5280), (4290, 5072), (4576, 4755)]