21000261802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1447}}^1\times {\mathrm{4261}}^1$

素因数の和:5854

約数の個数: 32

約数和(自身を含む): 34214108544

約数和(自身を除く): 13213846742

約数列:

[1, 2, 13, 26, 131, 262, 1447, 1703, 2894, 3406, 4261, 8522, 18811, 37622, 55393, 110786, 189557, 379114, 558191, 1116382, 2464241, 4928482, 6165667, 7256483, 12331334, 14512966, 80153671, 160307342, 807702377, 1615404754, 10500130901, 21000261802]

約数ペア:

[(1, 21000261802), (2, 10500130901), (13, 1615404754), (26, 807702377), (131, 160307342), (262, 80153671), (1447, 14512966), (1703, 12331334), (2894, 7256483), (3406, 6165667), (4261, 4928482), (8522, 2464241), (18811, 1116382), (37622, 558191), (55393, 379114), (110786, 189557)]