21039150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 58496256

約数和(自身を除く): 37457106

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 41, 50, 55, 66, 75, 82, 110, 123, 150, 165, 205, 246, 275, 311, 330, 410, 451, 550, 615, 622, 825, 902, 933, 1025, 1230, 1353, 1555, 1650, 1866, 2050, 2255, 2706, 3075, 3110, 3421, 4510, 4665, 6150, 6765, 6842, 7775, 9330, 10263, 11275, 12751, 13530, 15550, 17105, 20526, 22550, 23325, 25502, 33825, 34210, 38253, 46650, 51315, 63755, 67650, 76506, 85525, 102630, 127510, 140261, 171050, 191265, 256575, 280522, 318775, 382530, 420783, 513150, 637550, 701305, 841566, 956325, 1402610, 1912650, 2103915, 3506525, 4207830, 7013050, 10519575, 21039150]

約数ペア:

[(1, 21039150), (2, 10519575), (3, 7013050), (5, 4207830), (6, 3506525), (10, 2103915), (11, 1912650), (15, 1402610), (22, 956325), (25, 841566), (30, 701305), (33, 637550), (41, 513150), (50, 420783), (55, 382530), (66, 318775), (75, 280522), (82, 256575), (110, 191265), (123, 171050), (150, 140261), (165, 127510), (205, 102630), (246, 85525), (275, 76506), (311, 67650), (330, 63755), (410, 51315), (451, 46650), (550, 38253), (615, 34210), (622, 33825), (825, 25502), (902, 23325), (933, 22550), (1025, 20526), (1230, 17105), (1353, 15550), (1555, 13530), (1650, 12751), (1866, 11275), (2050, 10263), (2255, 9330), (2706, 7775), (3075, 6842), (3110, 6765), (3421, 6150), (4510, 4665)]