21972078

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{20011}}^1$

素因数の和:20080

約数の個数: 24

約数和(自身を含む): 48389016

約数和(自身を除く): 26416938

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 20011, 40022, 60033, 120066, 180099, 360198, 1220671, 2441342, 3662013, 7324026, 10986039, 21972078]

約数ペア:

[(1, 21972078), (2, 10986039), (3, 7324026), (6, 3662013), (9, 2441342), (18, 1220671), (61, 360198), (122, 180099), (183, 120066), (366, 60033), (549, 40022), (1098, 20011)]