21796765557

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{324661}}^1$

素因数の和:324833

約数の個数: 32

約数和(自身を含む): 34907658240

約数和(自身を除く): 13110892683

約数列:

[1, 3, 7, 21, 23, 69, 139, 161, 417, 483, 973, 2919, 3197, 9591, 22379, 67137, 324661, 973983, 2272627, 6817881, 7467203, 22401609, 45127879, 52270421, 135383637, 156811263, 315895153, 947685459, 1037941217, 3113823651, 7265588519, 21796765557]

約数ペア:

[(1, 21796765557), (3, 7265588519), (7, 3113823651), (21, 1037941217), (23, 947685459), (69, 315895153), (139, 156811263), (161, 135383637), (417, 52270421), (483, 45127879), (973, 22401609), (2919, 7467203), (3197, 6817881), (9591, 2272627), (22379, 973983), (67137, 324661)]