21798260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99083}}^1$

素因数の和:99103

約数の個数: 24

約数和(自身を含む): 49938336

約数和(自身を除く): 28140076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99083, 198166, 396332, 495415, 990830, 1089913, 1981660, 2179826, 4359652, 5449565, 10899130, 21798260]

約数ペア:

[(1, 21798260), (2, 10899130), (4, 5449565), (5, 4359652), (10, 2179826), (11, 1981660), (20, 1089913), (22, 990830), (44, 495415), (55, 396332), (110, 198166), (220, 99083)]