21741352

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 19989848

約数列:

[1, 2, 4, 8, 83, 137, 166, 239, 274, 332, 478, 548, 664, 956, 1096, 1912, 11371, 19837, 22742, 32743, 39674, 45484, 65486, 79348, 90968, 130972, 158696, 261944, 2717669, 5435338, 10870676, 21741352]

約数ペア:

[(1, 21741352), (2, 10870676), (4, 5435338), (8, 2717669), (83, 261944), (137, 158696), (166, 130972), (239, 90968), (274, 79348), (332, 65486), (478, 45484), (548, 39674), (664, 32743), (956, 22742), (1096, 19837), (1912, 11371)]