21038850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6679}}^1$

素因数の和:6704

約数の個数: 72

約数和(自身を含む): 64608960

約数和(自身を除く): 43570110

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, 6679, 13358, 20037, 33395, 40074, 46753, 60111, 66790, 93506, 100185, 120222, 140259, 166975, 200370, 233765, 280518, 300555, 333950, 420777, 467530, 500925, 601110, 701295, 841554, 1001850, 1168825, 1402590, 1502775, 2103885, 2337650, 3005550, 3506475, 4207770, 7012950, 10519425, 21038850]

約数ペア:

[(1, 21038850), (2, 10519425), (3, 7012950), (5, 4207770), (6, 3506475), (7, 3005550), (9, 2337650), (10, 2103885), (14, 1502775), (15, 1402590), (18, 1168825), (21, 1001850), (25, 841554), (30, 701295), (35, 601110), (42, 500925), (45, 467530), (50, 420777), (63, 333950), (70, 300555), (75, 280518), (90, 233765), (105, 200370), (126, 166975), (150, 140259), (175, 120222), (210, 100185), (225, 93506), (315, 66790), (350, 60111), (450, 46753), (525, 40074), (630, 33395), (1050, 20037), (1575, 13358), (3150, 6679)]