53218220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21991}}^1$

素因数の和:22022

約数の個数: 36

約数和(自身を含む): 122847312

約数和(自身を除く): 69629092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 21991, 43982, 87964, 109955, 219910, 241901, 439820, 483802, 967604, 1209505, 2419010, 2660911, 4838020, 5321822, 10643644, 13304555, 26609110, 53218220]

約数ペア:

[(1, 53218220), (2, 26609110), (4, 13304555), (5, 10643644), (10, 5321822), (11, 4838020), (20, 2660911), (22, 2419010), (44, 1209505), (55, 967604), (110, 483802), (121, 439820), (220, 241901), (242, 219910), (484, 109955), (605, 87964), (1210, 43982), (2420, 21991)]