21167369649

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{601}}^1\times {\mathrm{1571}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 31888007424

約数和(自身を除く): 10720637775

約数列:

[1, 3, 9, 47, 53, 141, 159, 423, 477, 601, 1571, 1803, 2491, 4713, 5409, 7473, 14139, 22419, 28247, 31853, 73837, 83263, 84741, 95559, 221511, 249789, 254223, 286677, 664533, 749367, 944171, 1497091, 2832513, 3913361, 4491273, 8497539, 11740083, 13473819, 35220249, 44376037, 50041063, 133128111, 150123189, 399384333, 450369567, 2351929961, 7055789883, 21167369649]

約数ペア:

[(1, 21167369649), (3, 7055789883), (9, 2351929961), (47, 450369567), (53, 399384333), (141, 150123189), (159, 133128111), (423, 50041063), (477, 44376037), (601, 35220249), (1571, 13473819), (1803, 11740083), (2491, 8497539), (4713, 4491273), (5409, 3913361), (7473, 2832513), (14139, 1497091), (22419, 944171), (28247, 749367), (31853, 664533), (73837, 286677), (83263, 254223), (84741, 249789), (95559, 221511)]