21403424

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 30851296

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 47, 56, 76, 94, 107, 112, 133, 152, 188, 214, 224, 266, 304, 329, 376, 428, 532, 608, 658, 749, 752, 856, 893, 1064, 1316, 1498, 1504, 1712, 1786, 2033, 2128, 2632, 2996, 3424, 3572, 4066, 4256, 5029, 5264, 5992, 6251, 7144, 8132, 10058, 10528, 11984, 12502, 14231, 14288, 16264, 20116, 23968, 25004, 28462, 28576, 32528, 35203, 40232, 50008, 56924, 65056, 70406, 80464, 95551, 100016, 113848, 140812, 160928, 191102, 200032, 227696, 281624, 382204, 455392, 563248, 668857, 764408, 1126496, 1337714, 1528816, 2675428, 3057632, 5350856, 10701712, 21403424]

約数ペア:

[(1, 21403424), (2, 10701712), (4, 5350856), (7, 3057632), (8, 2675428), (14, 1528816), (16, 1337714), (19, 1126496), (28, 764408), (32, 668857), (38, 563248), (47, 455392), (56, 382204), (76, 281624), (94, 227696), (107, 200032), (112, 191102), (133, 160928), (152, 140812), (188, 113848), (214, 100016), (224, 95551), (266, 80464), (304, 70406), (329, 65056), (376, 56924), (428, 50008), (532, 40232), (608, 35203), (658, 32528), (749, 28576), (752, 28462), (856, 25004), (893, 23968), (1064, 20116), (1316, 16264), (1498, 14288), (1504, 14231), (1712, 12502), (1786, 11984), (2033, 10528), (2128, 10058), (2632, 8132), (2996, 7144), (3424, 6251), (3572, 5992), (4066, 5264), (4256, 5029)]