21356376

素因数分解:

$2^3\times 3^1\times {\mathrm{197}}^1\times {\mathrm{4517}}^1$

素因数の和:4723

約数の個数: 32

約数和(自身を含む): 53673840

約数和(自身を除く): 32317464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 197, 394, 591, 788, 1182, 1576, 2364, 4517, 4728, 9034, 13551, 18068, 27102, 36136, 54204, 108408, 889849, 1779698, 2669547, 3559396, 5339094, 7118792, 10678188, 21356376]

約数ペア:

[(1, 21356376), (2, 10678188), (3, 7118792), (4, 5339094), (6, 3559396), (8, 2669547), (12, 1779698), (24, 889849), (197, 108408), (394, 54204), (591, 36136), (788, 27102), (1182, 18068), (1576, 13551), (2364, 9034), (4517, 4728)]