21898170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34759}}^1$

素因数の和:34779

約数の個数: 48

約数和(自身を含む): 65070720

約数和(自身を除く): 43172550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34759, 69518, 104277, 173795, 208554, 243313, 312831, 347590, 486626, 521385, 625662, 729939, 1042770, 1216565, 1459878, 1564155, 2189817, 2433130, 3128310, 3649695, 4379634, 7299390, 10949085, 21898170]

約数ペア:

[(1, 21898170), (2, 10949085), (3, 7299390), (5, 4379634), (6, 3649695), (7, 3128310), (9, 2433130), (10, 2189817), (14, 1564155), (15, 1459878), (18, 1216565), (21, 1042770), (30, 729939), (35, 625662), (42, 521385), (45, 486626), (63, 347590), (70, 312831), (90, 243313), (105, 208554), (126, 173795), (210, 104277), (315, 69518), (630, 34759)]