21958137

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{373}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 32983808

約数和(自身を除く): 11025671

約数列:

[1, 3, 9, 31, 93, 211, 279, 373, 633, 1119, 1899, 3357, 6541, 11563, 19623, 34689, 58869, 78703, 104067, 236109, 708327, 2439793, 7319379, 21958137]

約数ペア:

[(1, 21958137), (3, 7319379), (9, 2439793), (31, 708327), (93, 236109), (211, 104067), (279, 78703), (373, 58869), (633, 34689), (1119, 19623), (1899, 11563), (3357, 6541)]