21980350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{62801}}^1$

素因数の和:62820

約数の個数: 24

約数和(自身を含む): 46724688

約数和(自身を除く): 24744338

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 62801, 125602, 314005, 439607, 628010, 879214, 1570025, 2198035, 3140050, 4396070, 10990175, 21980350]

約数ペア:

[(1, 21980350), (2, 10990175), (5, 4396070), (7, 3140050), (10, 2198035), (14, 1570025), (25, 879214), (35, 628010), (50, 439607), (70, 314005), (175, 125602), (350, 62801)]