21431016

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17509}}^1$

素因数の和:17538

約数の個数: 48

約数和(自身を含む): 61460100

約数和(自身を除く): 40029084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17509, 35018, 52527, 70036, 105054, 140072, 157581, 210108, 297653, 315162, 420216, 595306, 630324, 892959, 1190612, 1260648, 1785918, 2381224, 2678877, 3571836, 5357754, 7143672, 10715508, 21431016]

約数ペア:

[(1, 21431016), (2, 10715508), (3, 7143672), (4, 5357754), (6, 3571836), (8, 2678877), (9, 2381224), (12, 1785918), (17, 1260648), (18, 1190612), (24, 892959), (34, 630324), (36, 595306), (51, 420216), (68, 315162), (72, 297653), (102, 210108), (136, 157581), (153, 140072), (204, 105054), (306, 70036), (408, 52527), (612, 35018), (1224, 17509)]