21584060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1123}}^1$

素因数の和:1194

約数の個数: 36

約数和(自身を含む): 46877544

約数和(自身を除く): 25293484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1123, 1922, 2246, 3844, 4492, 4805, 5615, 9610, 11230, 19220, 22460, 34813, 69626, 139252, 174065, 348130, 696260, 1079203, 2158406, 4316812, 5396015, 10792030, 21584060]

約数ペア:

[(1, 21584060), (2, 10792030), (4, 5396015), (5, 4316812), (10, 2158406), (20, 1079203), (31, 696260), (62, 348130), (124, 174065), (155, 139252), (310, 69626), (620, 34813), (961, 22460), (1123, 19220), (1922, 11230), (2246, 9610), (3844, 5615), (4492, 4805)]