21288050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8689}}^1$

素因数の和:8715

約数の個数: 36

約数和(自身を含む): 46065690

約数和(自身を除く): 24777640

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8689, 17378, 43445, 60823, 86890, 121646, 217225, 304115, 425761, 434450, 608230, 851522, 1520575, 2128805, 3041150, 4257610, 10644025, 21288050]

約数ペア:

[(1, 21288050), (2, 10644025), (5, 4257610), (7, 3041150), (10, 2128805), (14, 1520575), (25, 851522), (35, 608230), (49, 434450), (50, 425761), (70, 304115), (98, 217225), (175, 121646), (245, 86890), (350, 60823), (490, 43445), (1225, 17378), (2450, 8689)]