21136038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4159}}^1$

素因数の和:4193

約数の個数: 48

約数和(自身を含む): 53114880

約数和(自身を除く): 31978842

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 462, 726, 847, 1694, 2541, 4159, 5082, 8318, 12477, 24954, 29113, 45749, 58226, 87339, 91498, 137247, 174678, 274494, 320243, 503239, 640486, 960729, 1006478, 1509717, 1921458, 3019434, 3522673, 7045346, 10568019, 21136038]

約数ペア:

[(1, 21136038), (2, 10568019), (3, 7045346), (6, 3522673), (7, 3019434), (11, 1921458), (14, 1509717), (21, 1006478), (22, 960729), (33, 640486), (42, 503239), (66, 320243), (77, 274494), (121, 174678), (154, 137247), (231, 91498), (242, 87339), (363, 58226), (462, 45749), (726, 29113), (847, 24954), (1694, 12477), (2541, 8318), (4159, 5082)]