21929344

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 25072256

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 127, 128, 142, 152, 254, 284, 304, 508, 568, 608, 1016, 1136, 1216, 1349, 2032, 2272, 2413, 2432, 2698, 4064, 4544, 4826, 5396, 8128, 9017, 9088, 9652, 10792, 16256, 18034, 19304, 21584, 36068, 38608, 43168, 72136, 77216, 86336, 144272, 154432, 171323, 172672, 288544, 308864, 342646, 577088, 685292, 1154176, 1370584, 2741168, 5482336, 10964672, 21929344]

約数ペア:

[(1, 21929344), (2, 10964672), (4, 5482336), (8, 2741168), (16, 1370584), (19, 1154176), (32, 685292), (38, 577088), (64, 342646), (71, 308864), (76, 288544), (127, 172672), (128, 171323), (142, 154432), (152, 144272), (254, 86336), (284, 77216), (304, 72136), (508, 43168), (568, 38608), (608, 36068), (1016, 21584), (1136, 19304), (1216, 18034), (1349, 16256), (2032, 10792), (2272, 9652), (2413, 9088), (2432, 9017), (2698, 8128), (4064, 5396), (4544, 4826)]