21561144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81671}}^1$

素因数の和:81691

約数の個数: 32

約数和(自身を含む): 58803840

約数和(自身を除く): 37242696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81671, 163342, 245013, 326684, 490026, 653368, 898381, 980052, 1796762, 1960104, 2695143, 3593524, 5390286, 7187048, 10780572, 21561144]

約数ペア:

[(1, 21561144), (2, 10780572), (3, 7187048), (4, 5390286), (6, 3593524), (8, 2695143), (11, 1960104), (12, 1796762), (22, 980052), (24, 898381), (33, 653368), (44, 490026), (66, 326684), (88, 245013), (132, 163342), (264, 81671)]