21468448

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 22349312

約数列:

[1, 2, 4, 8, 16, 32, 59, 83, 118, 137, 166, 236, 274, 332, 472, 548, 664, 944, 1096, 1328, 1888, 2192, 2656, 4384, 4897, 8083, 9794, 11371, 16166, 19588, 22742, 32332, 39176, 45484, 64664, 78352, 90968, 129328, 156704, 181936, 258656, 363872, 670889, 1341778, 2683556, 5367112, 10734224, 21468448]

約数ペア:

[(1, 21468448), (2, 10734224), (4, 5367112), (8, 2683556), (16, 1341778), (32, 670889), (59, 363872), (83, 258656), (118, 181936), (137, 156704), (166, 129328), (236, 90968), (274, 78352), (332, 64664), (472, 45484), (548, 39176), (664, 32332), (944, 22742), (1096, 19588), (1328, 16166), (1888, 11371), (2192, 9794), (2656, 8083), (4384, 4897)]