21217350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 66495744

約数和(自身を除く): 45278394

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 50, 55, 66, 70, 75, 77, 105, 110, 121, 150, 154, 165, 167, 175, 210, 231, 242, 275, 330, 334, 350, 363, 385, 462, 501, 525, 550, 605, 726, 770, 825, 835, 847, 1002, 1050, 1155, 1169, 1210, 1650, 1670, 1694, 1815, 1837, 1925, 2310, 2338, 2505, 2541, 3025, 3507, 3630, 3674, 3850, 4175, 4235, 5010, 5082, 5511, 5775, 5845, 6050, 7014, 8350, 8470, 9075, 9185, 11022, 11550, 11690, 12525, 12705, 12859, 17535, 18150, 18370, 20207, 21175, 25050, 25410, 25718, 27555, 29225, 35070, 38577, 40414, 42350, 45925, 55110, 58450, 60621, 63525, 64295, 77154, 87675, 91850, 101035, 121242, 127050, 128590, 137775, 141449, 175350, 192885, 202070, 275550, 282898, 303105, 321475, 385770, 424347, 505175, 606210, 642950, 707245, 848694, 964425, 1010350, 1414490, 1515525, 1928850, 2121735, 3031050, 3536225, 4243470, 7072450, 10608675, 21217350]

約数ペア:

[(1, 21217350), (2, 10608675), (3, 7072450), (5, 4243470), (6, 3536225), (7, 3031050), (10, 2121735), (11, 1928850), (14, 1515525), (15, 1414490), (21, 1010350), (22, 964425), (25, 848694), (30, 707245), (33, 642950), (35, 606210), (42, 505175), (50, 424347), (55, 385770), (66, 321475), (70, 303105), (75, 282898), (77, 275550), (105, 202070), (110, 192885), (121, 175350), (150, 141449), (154, 137775), (165, 128590), (167, 127050), (175, 121242), (210, 101035), (231, 91850), (242, 87675), (275, 77154), (330, 64295), (334, 63525), (350, 60621), (363, 58450), (385, 55110), (462, 45925), (501, 42350), (525, 40414), (550, 38577), (605, 35070), (726, 29225), (770, 27555), (825, 25718), (835, 25410), (847, 25050), (1002, 21175), (1050, 20207), (1155, 18370), (1169, 18150), (1210, 17535), (1650, 12859), (1670, 12705), (1694, 12525), (1815, 11690), (1837, 11550), (1925, 11022), (2310, 9185), (2338, 9075), (2505, 8470), (2541, 8350), (3025, 7014), (3507, 6050), (3630, 5845), (3674, 5775), (3850, 5511), (4175, 5082), (4235, 5010)]