21547568

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11317}}^1$

素因数の和:11349

約数の個数: 40

約数和(自身を含む): 50523552

約数和(自身を除く): 28975984

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11317, 22634, 45268, 79219, 90536, 158438, 181072, 192389, 316876, 384778, 633752, 769556, 1267504, 1346723, 1539112, 2693446, 3078224, 5386892, 10773784, 21547568]

約数ペア:

[(1, 21547568), (2, 10773784), (4, 5386892), (7, 3078224), (8, 2693446), (14, 1539112), (16, 1346723), (17, 1267504), (28, 769556), (34, 633752), (56, 384778), (68, 316876), (112, 192389), (119, 181072), (136, 158438), (238, 90536), (272, 79219), (476, 45268), (952, 22634), (1904, 11317)]