21353850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6779}}^1$

素因数の和:6804

約数の個数: 72

約数和(自身を含む): 65576160

約数和(自身を除く): 44222310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6779, 13558, 20337, 33895, 40674, 47453, 61011, 67790, 94906, 101685, 122022, 142359, 169475, 203370, 237265, 284718, 305055, 338950, 427077, 474530, 508425, 610110, 711795, 854154, 1016850, 1186325, 1423590, 1525275, 2135385, 2372650, 3050550, 3558975, 4270770, 7117950, 10676925, 21353850]

約数ペア:

[(1, 21353850), (2, 10676925), (3, 7117950), (5, 4270770), (6, 3558975), (7, 3050550), (9, 2372650), (10, 2135385), (14, 1525275), (15, 1423590), (18, 1186325), (21, 1016850), (25, 854154), (30, 711795), (35, 610110), (42, 508425), (45, 474530), (50, 427077), (63, 338950), (70, 305055), (75, 284718), (90, 237265), (105, 203370), (126, 169475), (150, 142359), (175, 122022), (210, 101685), (225, 94906), (315, 67790), (350, 61011), (450, 47453), (525, 40674), (630, 33895), (1050, 20337), (1575, 13558), (3150, 6779)]