21038272

素因数分解:

$2^6\times {\mathrm{271}}^1\times {\mathrm{1213}}^1$

素因数の和:1496

約数の個数: 28

約数和(自身を含む): 41936416

約数和(自身を除く): 20898144

約数列:

[1, 2, 4, 8, 16, 32, 64, 271, 542, 1084, 1213, 2168, 2426, 4336, 4852, 8672, 9704, 17344, 19408, 38816, 77632, 328723, 657446, 1314892, 2629784, 5259568, 10519136, 21038272]

約数ペア:

[(1, 21038272), (2, 10519136), (4, 5259568), (8, 2629784), (16, 1314892), (32, 657446), (64, 328723), (271, 77632), (542, 38816), (1084, 19408), (1213, 17344), (2168, 9704), (2426, 8672), (4336, 4852)]