21253952

素因数分解:

$2^6\times {\mathrm{313}}^1\times {\mathrm{1061}}^1$

素因数の和:1386

約数の個数: 28

約数和(自身を含む): 42350436

約数和(自身を除く): 21096484

約数列:

[1, 2, 4, 8, 16, 32, 64, 313, 626, 1061, 1252, 2122, 2504, 4244, 5008, 8488, 10016, 16976, 20032, 33952, 67904, 332093, 664186, 1328372, 2656744, 5313488, 10626976, 21253952]

約数ペア:

[(1, 21253952), (2, 10626976), (4, 5313488), (8, 2656744), (16, 1328372), (32, 664186), (64, 332093), (313, 67904), (626, 33952), (1061, 20032), (1252, 16976), (2122, 10016), (2504, 8488), (4244, 5008)]