21190100

素因数分解:

$2^2\times 5^2\times {\mathrm{313}}^1\times {\mathrm{677}}^1$

素因数の和:1004

約数の個数: 36

約数和(自身を含む): 46197564

約数和(自身を除く): 25007464

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 313, 626, 677, 1252, 1354, 1565, 2708, 3130, 3385, 6260, 6770, 7825, 13540, 15650, 16925, 31300, 33850, 67700, 211901, 423802, 847604, 1059505, 2119010, 4238020, 5297525, 10595050, 21190100]

約数ペア:

[(1, 21190100), (2, 10595050), (4, 5297525), (5, 4238020), (10, 2119010), (20, 1059505), (25, 847604), (50, 423802), (100, 211901), (313, 67700), (626, 33850), (677, 31300), (1252, 16925), (1354, 15650), (1565, 13540), (2708, 7825), (3130, 6770), (3385, 6260)]