21449209548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{396239}}^1$

素因数の和:396606

約数の個数: 48

約数和(自身を含む): 54053475840

約数和(自身を除く): 32604266292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 347, 694, 1041, 1388, 2082, 4164, 4511, 9022, 13533, 18044, 27066, 54132, 396239, 792478, 1188717, 1584956, 2377434, 4754868, 5151107, 10302214, 15453321, 20604428, 30906642, 61813284, 137494933, 274989866, 412484799, 549979732, 824969598, 1649939196, 1787434129, 3574868258, 5362302387, 7149736516, 10724604774, 21449209548]

約数ペア:

[(1, 21449209548), (2, 10724604774), (3, 7149736516), (4, 5362302387), (6, 3574868258), (12, 1787434129), (13, 1649939196), (26, 824969598), (39, 549979732), (52, 412484799), (78, 274989866), (156, 137494933), (347, 61813284), (694, 30906642), (1041, 20604428), (1388, 15453321), (2082, 10302214), (4164, 5151107), (4511, 4754868), (9022, 2377434), (13533, 1584956), (18044, 1188717), (27066, 792478), (54132, 396239)]