21148100

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{2897}}^1$

素因数の和:2984

約数の個数: 36

約数和(自身を含む): 46536084

約数和(自身を除く): 25387984

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 2897, 3650, 5794, 7300, 11588, 14485, 28970, 57940, 72425, 144850, 211481, 289700, 422962, 845924, 1057405, 2114810, 4229620, 5287025, 10574050, 21148100]

約数ペア:

[(1, 21148100), (2, 10574050), (4, 5287025), (5, 4229620), (10, 2114810), (20, 1057405), (25, 845924), (50, 422962), (73, 289700), (100, 211481), (146, 144850), (292, 72425), (365, 57940), (730, 28970), (1460, 14485), (1825, 11588), (2897, 7300), (3650, 5794)]