21119526

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1733

約数の個数: 48

約数和(自身を含む): 49498800

約数和(自身を除く): 28379274

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 1669, 2109, 3338, 4218, 5007, 6327, 10014, 12654, 15021, 30042, 31711, 61753, 63422, 95133, 123506, 185259, 190266, 285399, 370518, 555777, 570798, 1111554, 1173307, 2346614, 3519921, 7039842, 10559763, 21119526]

約数ペア:

[(1, 21119526), (2, 10559763), (3, 7039842), (6, 3519921), (9, 2346614), (18, 1173307), (19, 1111554), (37, 570798), (38, 555777), (57, 370518), (74, 285399), (111, 190266), (114, 185259), (171, 123506), (222, 95133), (333, 63422), (342, 61753), (666, 31711), (703, 30042), (1406, 15021), (1669, 12654), (2109, 10014), (3338, 6327), (4218, 5007)]