21638050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 46372032

約数和(自身を除く): 24733982

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 211, 293, 350, 422, 586, 1055, 1465, 1477, 2051, 2110, 2930, 2954, 4102, 5275, 7325, 7385, 10255, 10550, 14650, 14770, 20510, 36925, 51275, 61823, 73850, 102550, 123646, 309115, 432761, 618230, 865522, 1545575, 2163805, 3091150, 4327610, 10819025, 21638050]

約数ペア:

[(1, 21638050), (2, 10819025), (5, 4327610), (7, 3091150), (10, 2163805), (14, 1545575), (25, 865522), (35, 618230), (50, 432761), (70, 309115), (175, 123646), (211, 102550), (293, 73850), (350, 61823), (422, 51275), (586, 36925), (1055, 20510), (1465, 14770), (1477, 14650), (2051, 10550), (2110, 10255), (2930, 7385), (2954, 7325), (4102, 5275)]