21764484

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28789}}^1$

素因数の和:28809

約数の個数: 48

約数和(自身を含む): 64489600

約数和(自身を除く): 42725116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28789, 57578, 86367, 115156, 172734, 201523, 259101, 345468, 403046, 518202, 604569, 777303, 806092, 1036404, 1209138, 1554606, 1813707, 2418276, 3109212, 3627414, 5441121, 7254828, 10882242, 21764484]

約数ペア:

[(1, 21764484), (2, 10882242), (3, 7254828), (4, 5441121), (6, 3627414), (7, 3109212), (9, 2418276), (12, 1813707), (14, 1554606), (18, 1209138), (21, 1036404), (27, 806092), (28, 777303), (36, 604569), (42, 518202), (54, 403046), (63, 345468), (84, 259101), (108, 201523), (126, 172734), (189, 115156), (252, 86367), (378, 57578), (756, 28789)]