21690648

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43037}}^1$

素因数の和:43056

約数の個数: 48

約数和(自身を含む): 67139280

約数和(自身を除く): 45448632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 43037, 86074, 129111, 172148, 258222, 301259, 344296, 387333, 516444, 602518, 774666, 903777, 1032888, 1205036, 1549332, 1807554, 2410072, 2711331, 3098664, 3615108, 5422662, 7230216, 10845324, 21690648]

約数ペア:

[(1, 21690648), (2, 10845324), (3, 7230216), (4, 5422662), (6, 3615108), (7, 3098664), (8, 2711331), (9, 2410072), (12, 1807554), (14, 1549332), (18, 1205036), (21, 1032888), (24, 903777), (28, 774666), (36, 602518), (42, 516444), (56, 387333), (63, 344296), (72, 301259), (84, 258222), (126, 172148), (168, 129111), (252, 86074), (504, 43037)]