21252350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1541

約数の個数: 48

約数和(自身を含む): 46309536

約数和(自身を除く): 25057186

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 175, 205, 287, 350, 410, 574, 1025, 1435, 1481, 2050, 2870, 2962, 7175, 7405, 10367, 14350, 14810, 20734, 37025, 51835, 60721, 74050, 103670, 121442, 259175, 303605, 425047, 518350, 607210, 850094, 1518025, 2125235, 3036050, 4250470, 10626175, 21252350]

約数ペア:

[(1, 21252350), (2, 10626175), (5, 4250470), (7, 3036050), (10, 2125235), (14, 1518025), (25, 850094), (35, 607210), (41, 518350), (50, 425047), (70, 303605), (82, 259175), (175, 121442), (205, 103670), (287, 74050), (350, 60721), (410, 51835), (574, 37025), (1025, 20734), (1435, 14810), (1481, 14350), (2050, 10367), (2870, 7405), (2962, 7175)]