2021057290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{7159}}^1$

素因数の和:7319

約数の個数: 64

約数和(自身を含む): 4309747200

約数和(自身を除く): 2288689910

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 109, 185, 218, 259, 370, 518, 545, 763, 1090, 1295, 1526, 2590, 3815, 4033, 7159, 7630, 8066, 14318, 20165, 28231, 35795, 40330, 50113, 56462, 71590, 100226, 141155, 250565, 264883, 282310, 501130, 529766, 780331, 1324415, 1560662, 1854181, 2648830, 3708362, 3901655, 5462317, 7803310, 9270905, 10924634, 18541810, 27311585, 28872247, 54623170, 57744494, 144361235, 202105729, 288722470, 404211458, 1010528645, 2021057290]

約数ペア:

[(1, 2021057290), (2, 1010528645), (5, 404211458), (7, 288722470), (10, 202105729), (14, 144361235), (35, 57744494), (37, 54623170), (70, 28872247), (74, 27311585), (109, 18541810), (185, 10924634), (218, 9270905), (259, 7803310), (370, 5462317), (518, 3901655), (545, 3708362), (763, 2648830), (1090, 1854181), (1295, 1560662), (1526, 1324415), (2590, 780331), (3815, 529766), (4033, 501130), (7159, 282310), (7630, 264883), (8066, 250565), (14318, 141155), (20165, 100226), (28231, 71590), (35795, 56462), (40330, 50113)]