21491824156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{929}}^1\times {\mathrm{525781}}^1$

素因数の和:526725

約数の個数: 24

約数和(自身を含む): 41074089840

約数和(自身を除く): 19582265684

約数列:

[1, 2, 4, 11, 22, 44, 929, 1858, 3716, 10219, 20438, 40876, 525781, 1051562, 2103124, 5783591, 11567182, 23134364, 488450549, 976901098, 1953802196, 5372956039, 10745912078, 21491824156]

約数ペア:

[(1, 21491824156), (2, 10745912078), (4, 5372956039), (11, 1953802196), (22, 976901098), (44, 488450549), (929, 23134364), (1858, 11567182), (3716, 5783591), (10219, 2103124), (20438, 1051562), (40876, 525781)]