21533290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 40715136

約数和(自身を除く): 19181846

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 251, 373, 502, 746, 1255, 1865, 2510, 3730, 5773, 8579, 11546, 17158, 28865, 42895, 57730, 85790, 93623, 187246, 468115, 936230, 2153329, 4306658, 10766645, 21533290]

約数ペア:

[(1, 21533290), (2, 10766645), (5, 4306658), (10, 2153329), (23, 936230), (46, 468115), (115, 187246), (230, 93623), (251, 85790), (373, 57730), (502, 42895), (746, 28865), (1255, 17158), (1865, 11546), (2510, 8579), (3730, 5773)]