21203756

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26113}}^1$

素因数の和:26153

約数の個数: 24

約数和(自身を含む): 43871520

約数和(自身を除く): 22667764

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26113, 52226, 104452, 182791, 365582, 731164, 757277, 1514554, 3029108, 5300939, 10601878, 21203756]

約数ペア:

[(1, 21203756), (2, 10601878), (4, 5300939), (7, 3029108), (14, 1514554), (28, 757277), (29, 731164), (58, 365582), (116, 182791), (203, 104452), (406, 52226), (812, 26113)]