21835072

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 112

約数和(自身を含む): 54425088

約数和(自身を除く): 32590016

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 47, 56, 61, 64, 68, 94, 112, 119, 122, 136, 188, 224, 238, 244, 272, 329, 376, 427, 448, 476, 488, 544, 658, 752, 799, 854, 952, 976, 1037, 1088, 1316, 1504, 1598, 1708, 1904, 1952, 2074, 2632, 2867, 3008, 3196, 3416, 3808, 3904, 4148, 5264, 5593, 5734, 6392, 6832, 7259, 7616, 8296, 10528, 11186, 11468, 12784, 13664, 14518, 16592, 20069, 21056, 22372, 22936, 25568, 27328, 29036, 33184, 40138, 44744, 45872, 48739, 51136, 58072, 66368, 80276, 89488, 91744, 97478, 116144, 160552, 178976, 183488, 194956, 232288, 321104, 341173, 357952, 389912, 464576, 642208, 682346, 779824, 1284416, 1364692, 1559648, 2729384, 3119296, 5458768, 10917536, 21835072]

約数ペア:

[(1, 21835072), (2, 10917536), (4, 5458768), (7, 3119296), (8, 2729384), (14, 1559648), (16, 1364692), (17, 1284416), (28, 779824), (32, 682346), (34, 642208), (47, 464576), (56, 389912), (61, 357952), (64, 341173), (68, 321104), (94, 232288), (112, 194956), (119, 183488), (122, 178976), (136, 160552), (188, 116144), (224, 97478), (238, 91744), (244, 89488), (272, 80276), (329, 66368), (376, 58072), (427, 51136), (448, 48739), (476, 45872), (488, 44744), (544, 40138), (658, 33184), (752, 29036), (799, 27328), (854, 25568), (952, 22936), (976, 22372), (1037, 21056), (1088, 20069), (1316, 16592), (1504, 14518), (1598, 13664), (1708, 12784), (1904, 11468), (1952, 11186), (2074, 10528), (2632, 8296), (2867, 7616), (3008, 7259), (3196, 6832), (3416, 6392), (3808, 5734), (3904, 5593), (4148, 5264)]