21484192

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 45482472

約数和(自身を除く): 23998280

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 73, 136, 146, 272, 292, 541, 544, 584, 1082, 1168, 1241, 2164, 2336, 2482, 4328, 4964, 8656, 9197, 9928, 17312, 18394, 19856, 36788, 39493, 39712, 73576, 78986, 147152, 157972, 294304, 315944, 631888, 671381, 1263776, 1342762, 2685524, 5371048, 10742096, 21484192]

約数ペア:

[(1, 21484192), (2, 10742096), (4, 5371048), (8, 2685524), (16, 1342762), (17, 1263776), (32, 671381), (34, 631888), (68, 315944), (73, 294304), (136, 157972), (146, 147152), (272, 78986), (292, 73576), (541, 39712), (544, 39493), (584, 36788), (1082, 19856), (1168, 18394), (1241, 17312), (2164, 9928), (2336, 9197), (2482, 8656), (4328, 4964)]