21754348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6421}}^1$

素因数の和:6454

約数の個数: 36

約数和(自身を含む): 47831056

約数和(自身を除く): 26076708

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6421, 12842, 25684, 44947, 70631, 89894, 141262, 179788, 282524, 494417, 776941, 988834, 1553882, 1977668, 3107764, 5438587, 10877174, 21754348]

約数ペア:

[(1, 21754348), (2, 10877174), (4, 5438587), (7, 3107764), (11, 1977668), (14, 1553882), (22, 988834), (28, 776941), (44, 494417), (77, 282524), (121, 179788), (154, 141262), (242, 89894), (308, 70631), (484, 44947), (847, 25684), (1694, 12842), (3388, 6421)]