21967050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20921}}^1$

素因数の和:20943

約数の個数: 48

約数和(自身を含む): 62263872

約数和(自身を除く): 40296822

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20921, 41842, 62763, 104605, 125526, 146447, 209210, 292894, 313815, 439341, 523025, 627630, 732235, 878682, 1046050, 1464470, 1569075, 2196705, 3138150, 3661175, 4393410, 7322350, 10983525, 21967050]

約数ペア:

[(1, 21967050), (2, 10983525), (3, 7322350), (5, 4393410), (6, 3661175), (7, 3138150), (10, 2196705), (14, 1569075), (15, 1464470), (21, 1046050), (25, 878682), (30, 732235), (35, 627630), (42, 523025), (50, 439341), (70, 313815), (75, 292894), (105, 209210), (150, 146447), (175, 125526), (210, 104605), (350, 62763), (525, 41842), (1050, 20921)]