21356764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37337}}^1$

素因数の和:37365

約数の個数: 24

約数和(自身を含む): 43909488

約数和(自身を除く): 22552724

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37337, 74674, 149348, 410707, 485381, 821414, 970762, 1642828, 1941524, 5339191, 10678382, 21356764]

約数ペア:

[(1, 21356764), (2, 10678382), (4, 5339191), (11, 1941524), (13, 1642828), (22, 970762), (26, 821414), (44, 485381), (52, 410707), (143, 149348), (286, 74674), (572, 37337)]