21061453428

素因数分解:

$2^2\times 3^2\times {\mathrm{2237}}^1\times {\mathrm{261529}}^1$

素因数の和:263776

約数の個数: 36

約数和(自身を含む): 53262676740

約数和(自身を除く): 32201223312

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2237, 4474, 6711, 8948, 13422, 20133, 26844, 40266, 80532, 261529, 523058, 784587, 1046116, 1569174, 2353761, 3138348, 4707522, 9415044, 585040373, 1170080746, 1755121119, 2340161492, 3510242238, 5265363357, 7020484476, 10530726714, 21061453428]

約数ペア:

[(1, 21061453428), (2, 10530726714), (3, 7020484476), (4, 5265363357), (6, 3510242238), (9, 2340161492), (12, 1755121119), (18, 1170080746), (36, 585040373), (2237, 9415044), (4474, 4707522), (6711, 3138348), (8948, 2353761), (13422, 1569174), (20133, 1046116), (26844, 784587), (40266, 523058), (80532, 261529)]