21791300

素因数分解:

$2^2\times 5^2\times {\mathrm{359}}^1\times {\mathrm{607}}^1$

素因数の和:980

約数の個数: 36

約数和(自身を含む): 47496960

約数和(自身を除く): 25705660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 359, 607, 718, 1214, 1436, 1795, 2428, 3035, 3590, 6070, 7180, 8975, 12140, 15175, 17950, 30350, 35900, 60700, 217913, 435826, 871652, 1089565, 2179130, 4358260, 5447825, 10895650, 21791300]

約数ペア:

[(1, 21791300), (2, 10895650), (4, 5447825), (5, 4358260), (10, 2179130), (20, 1089565), (25, 871652), (50, 435826), (100, 217913), (359, 60700), (607, 35900), (718, 30350), (1214, 17950), (1436, 15175), (1795, 12140), (2428, 8975), (3035, 7180), (3590, 6070)]