21539622

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1019}}^1$

素因数の和:1308

約数の個数: 32

約数和(自身を含む): 46609920

約数和(自身を除く): 25070298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271, 542, 813, 1019, 1626, 2038, 3057, 3523, 6114, 7046, 10569, 13247, 21138, 26494, 39741, 79482, 276149, 552298, 828447, 1656894, 3589937, 7179874, 10769811, 21539622]

約数ペア:

[(1, 21539622), (2, 10769811), (3, 7179874), (6, 3589937), (13, 1656894), (26, 828447), (39, 552298), (78, 276149), (271, 79482), (542, 39741), (813, 26494), (1019, 21138), (1626, 13247), (2038, 10569), (3057, 7046), (3523, 6114)]