21492042

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 51940224

約数和(自身を除く): 30448182

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 677, 814, 858, 962, 1221, 1354, 1443, 2031, 2442, 2886, 4062, 5291, 7447, 8801, 10582, 14894, 15873, 17602, 22341, 25049, 26403, 31746, 44682, 50098, 52806, 75147, 96811, 150294, 193622, 275539, 290433, 325637, 551078, 580866, 651274, 826617, 976911, 1653234, 1953822, 3582007, 7164014, 10746021, 21492042]

約数ペア:

[(1, 21492042), (2, 10746021), (3, 7164014), (6, 3582007), (11, 1953822), (13, 1653234), (22, 976911), (26, 826617), (33, 651274), (37, 580866), (39, 551078), (66, 325637), (74, 290433), (78, 275539), (111, 193622), (143, 150294), (222, 96811), (286, 75147), (407, 52806), (429, 50098), (481, 44682), (677, 31746), (814, 26403), (858, 25049), (962, 22341), (1221, 17602), (1354, 15873), (1443, 14894), (2031, 10582), (2442, 8801), (2886, 7447), (4062, 5291)]