21284700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{70949}}^1$

素因数の和:70966

約数の個数: 36

約数和(自身を含む): 61584600

約数和(自身を除く): 40299900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 70949, 141898, 212847, 283796, 354745, 425694, 709490, 851388, 1064235, 1418980, 1773725, 2128470, 3547450, 4256940, 5321175, 7094900, 10642350, 21284700]

約数ペア:

[(1, 21284700), (2, 10642350), (3, 7094900), (4, 5321175), (5, 4256940), (6, 3547450), (10, 2128470), (12, 1773725), (15, 1418980), (20, 1064235), (25, 851388), (30, 709490), (50, 425694), (60, 354745), (75, 283796), (100, 212847), (150, 141898), (300, 70949)]