21050596

素因数分解:

$2^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 43792000

約数和(自身を除く): 22741404

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 229, 268, 343, 458, 469, 686, 916, 938, 1372, 1603, 1876, 3206, 3283, 6412, 6566, 11221, 13132, 15343, 22442, 22981, 30686, 44884, 45962, 61372, 78547, 91924, 107401, 157094, 214802, 314188, 429604, 751807, 1503614, 3007228, 5262649, 10525298, 21050596]

約数ペア:

[(1, 21050596), (2, 10525298), (4, 5262649), (7, 3007228), (14, 1503614), (28, 751807), (49, 429604), (67, 314188), (98, 214802), (134, 157094), (196, 107401), (229, 91924), (268, 78547), (343, 61372), (458, 45962), (469, 44884), (686, 30686), (916, 22981), (938, 22442), (1372, 15343), (1603, 13132), (1876, 11221), (3206, 6566), (3283, 6412)]