21590532

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8447}}^1$

素因数の和:8528

約数の個数: 36

約数和(自身を含む): 55351296

約数和(自身を除く): 33760764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8447, 16894, 25341, 33788, 50682, 76023, 101364, 152046, 304092, 599737, 1199474, 1799211, 2398948, 3598422, 5397633, 7196844, 10795266, 21590532]

約数ペア:

[(1, 21590532), (2, 10795266), (3, 7196844), (4, 5397633), (6, 3598422), (9, 2398948), (12, 1799211), (18, 1199474), (36, 599737), (71, 304092), (142, 152046), (213, 101364), (284, 76023), (426, 50682), (639, 33788), (852, 25341), (1278, 16894), (2556, 8447)]