21882289

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 26352000

約数和(自身を除く): 4469711

約数列:

[1, 11, 13, 79, 143, 149, 169, 869, 1027, 1639, 1859, 1937, 11297, 11771, 13351, 21307, 25181, 129481, 146861, 153023, 276991, 1683253, 1989299, 21882289]

約数ペア:

[(1, 21882289), (11, 1989299), (13, 1683253), (79, 276991), (143, 153023), (149, 146861), (169, 129481), (869, 25181), (1027, 21307), (1639, 13351), (1859, 11771), (1937, 11297)]