21855570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 57867264

約数和(自身を除く): 36011694

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 103, 110, 165, 206, 309, 330, 515, 618, 643, 1030, 1133, 1286, 1545, 1929, 2266, 3090, 3215, 3399, 3858, 5665, 6430, 6798, 7073, 9645, 11330, 14146, 16995, 19290, 21219, 33990, 35365, 42438, 66229, 70730, 106095, 132458, 198687, 212190, 331145, 397374, 662290, 728519, 993435, 1457038, 1986870, 2185557, 3642595, 4371114, 7285190, 10927785, 21855570]

約数ペア:

[(1, 21855570), (2, 10927785), (3, 7285190), (5, 4371114), (6, 3642595), (10, 2185557), (11, 1986870), (15, 1457038), (22, 993435), (30, 728519), (33, 662290), (55, 397374), (66, 331145), (103, 212190), (110, 198687), (165, 132458), (206, 106095), (309, 70730), (330, 66229), (515, 42438), (618, 35365), (643, 33990), (1030, 21219), (1133, 19290), (1286, 16995), (1545, 14146), (1929, 11330), (2266, 9645), (3090, 7073), (3215, 6798), (3399, 6430), (3858, 5665)]