21997248

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1294

約数の個数: 112

約数和(自身を含む): 71688960

約数和(自身を除く): 49691712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 156, 168, 182, 192, 208, 224, 273, 312, 336, 364, 416, 448, 546, 624, 672, 728, 832, 1092, 1248, 1259, 1344, 1456, 2184, 2496, 2518, 2912, 3777, 4368, 5036, 5824, 7554, 8736, 8813, 10072, 15108, 16367, 17472, 17626, 20144, 26439, 30216, 32734, 35252, 40288, 49101, 52878, 60432, 65468, 70504, 80576, 98202, 105756, 114569, 120864, 130936, 141008, 196404, 211512, 229138, 241728, 261872, 282016, 343707, 392808, 423024, 458276, 523744, 564032, 687414, 785616, 846048, 916552, 1047488, 1374828, 1571232, 1692096, 1833104, 2749656, 3142464, 3666208, 5499312, 7332416, 10998624, 21997248]

約数ペア:

[(1, 21997248), (2, 10998624), (3, 7332416), (4, 5499312), (6, 3666208), (7, 3142464), (8, 2749656), (12, 1833104), (13, 1692096), (14, 1571232), (16, 1374828), (21, 1047488), (24, 916552), (26, 846048), (28, 785616), (32, 687414), (39, 564032), (42, 523744), (48, 458276), (52, 423024), (56, 392808), (64, 343707), (78, 282016), (84, 261872), (91, 241728), (96, 229138), (104, 211512), (112, 196404), (156, 141008), (168, 130936), (182, 120864), (192, 114569), (208, 105756), (224, 98202), (273, 80576), (312, 70504), (336, 65468), (364, 60432), (416, 52878), (448, 49101), (546, 40288), (624, 35252), (672, 32734), (728, 30216), (832, 26439), (1092, 20144), (1248, 17626), (1259, 17472), (1344, 16367), (1456, 15108), (2184, 10072), (2496, 8813), (2518, 8736), (2912, 7554), (3777, 5824), (4368, 5036)]