21412144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1045

約数の個数: 40

約数和(自身を含む): 45122112

約数和(自身を除く): 23709968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 904, 911, 1469, 1808, 1822, 2938, 3644, 5876, 7288, 11752, 11843, 14576, 23504, 23686, 47372, 94744, 102943, 189488, 205886, 411772, 823544, 1338259, 1647088, 2676518, 5353036, 10706072, 21412144]

約数ペア:

[(1, 21412144), (2, 10706072), (4, 5353036), (8, 2676518), (13, 1647088), (16, 1338259), (26, 823544), (52, 411772), (104, 205886), (113, 189488), (208, 102943), (226, 94744), (452, 47372), (904, 23686), (911, 23504), (1469, 14576), (1808, 11843), (1822, 11752), (2938, 7288), (3644, 5876)]