21465248

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1213}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 48948480

約数和(自身を除く): 27483232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1106, 1213, 1264, 2212, 2426, 2528, 4424, 4852, 8491, 8848, 9704, 16982, 17696, 19408, 33964, 38816, 67928, 95827, 135856, 191654, 271712, 383308, 670789, 766616, 1341578, 1533232, 2683156, 3066464, 5366312, 10732624, 21465248]

約数ペア:

[(1, 21465248), (2, 10732624), (4, 5366312), (7, 3066464), (8, 2683156), (14, 1533232), (16, 1341578), (28, 766616), (32, 670789), (56, 383308), (79, 271712), (112, 191654), (158, 135856), (224, 95827), (316, 67928), (553, 38816), (632, 33964), (1106, 19408), (1213, 17696), (1264, 16982), (2212, 9704), (2426, 8848), (2528, 8491), (4424, 4852)]