21729656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5647}}^1$

素因数の和:5703

約数の個数: 32

約数和(自身を含む): 45071040

約数和(自身を除く): 23341384

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5647, 11294, 22588, 45176, 73411, 146822, 208939, 293644, 417878, 587288, 835756, 1671512, 2716207, 5432414, 10864828, 21729656]

約数ペア:

[(1, 21729656), (2, 10864828), (4, 5432414), (8, 2716207), (13, 1671512), (26, 835756), (37, 587288), (52, 417878), (74, 293644), (104, 208939), (148, 146822), (296, 73411), (481, 45176), (962, 22588), (1924, 11294), (3848, 5647)]