21168120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176401}}^1$

素因数の和:176415

約数の個数: 32

約数和(自身を含む): 63504720

約数和(自身を除く): 42336600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176401, 352802, 529203, 705604, 882005, 1058406, 1411208, 1764010, 2116812, 2646015, 3528020, 4233624, 5292030, 7056040, 10584060, 21168120]

約数ペア:

[(1, 21168120), (2, 10584060), (3, 7056040), (4, 5292030), (5, 4233624), (6, 3528020), (8, 2646015), (10, 2116812), (12, 1764010), (15, 1411208), (20, 1058406), (24, 882005), (30, 705604), (40, 529203), (60, 352802), (120, 176401)]