21954060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121967}}^1$

素因数の和:121982

約数の個数: 36

約数和(自身を含む): 66594528

約数和(自身を除く): 44640468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121967, 243934, 365901, 487868, 609835, 731802, 1097703, 1219670, 1463604, 1829505, 2195406, 2439340, 3659010, 4390812, 5488515, 7318020, 10977030, 21954060]

約数ペア:

[(1, 21954060), (2, 10977030), (3, 7318020), (4, 5488515), (5, 4390812), (6, 3659010), (9, 2439340), (10, 2195406), (12, 1829505), (15, 1463604), (18, 1219670), (20, 1097703), (30, 731802), (36, 609835), (45, 487868), (60, 365901), (90, 243934), (180, 121967)]