21341859

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 36873984

約数和(自身を除く): 15532125

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 121, 227, 231, 259, 363, 407, 681, 777, 847, 1221, 1589, 2497, 2541, 2849, 4477, 4767, 7491, 8399, 8547, 13431, 17479, 25197, 27467, 31339, 52437, 58793, 82401, 92389, 94017, 176379, 192269, 277167, 576807, 646723, 1016279, 1940169, 3048837, 7113953, 21341859]

約数ペア:

[(1, 21341859), (3, 7113953), (7, 3048837), (11, 1940169), (21, 1016279), (33, 646723), (37, 576807), (77, 277167), (111, 192269), (121, 176379), (227, 94017), (231, 92389), (259, 82401), (363, 58793), (407, 52437), (681, 31339), (777, 27467), (847, 25197), (1221, 17479), (1589, 13431), (2497, 8547), (2541, 8399), (2849, 7491), (4477, 4767)]