21964048

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 22229552

約数列:

[1, 2, 4, 8, 16, 53, 59, 106, 118, 212, 236, 424, 439, 472, 848, 878, 944, 1756, 3127, 3512, 6254, 7024, 12508, 23267, 25016, 25901, 46534, 50032, 51802, 93068, 103604, 186136, 207208, 372272, 414416, 1372753, 2745506, 5491012, 10982024, 21964048]

約数ペア:

[(1, 21964048), (2, 10982024), (4, 5491012), (8, 2745506), (16, 1372753), (53, 414416), (59, 372272), (106, 207208), (118, 186136), (212, 103604), (236, 93068), (424, 51802), (439, 50032), (472, 46534), (848, 25901), (878, 25016), (944, 23267), (1756, 12508), (3127, 7024), (3512, 6254)]