21434816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25763}}^1$

素因数の和:25788

約数の個数: 28

約数和(自身を含む): 45808392

約数和(自身を除く): 24373576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25763, 51526, 103052, 206104, 334919, 412208, 669838, 824416, 1339676, 1648832, 2679352, 5358704, 10717408, 21434816]

約数ペア:

[(1, 21434816), (2, 10717408), (4, 5358704), (8, 2679352), (13, 1648832), (16, 1339676), (26, 824416), (32, 669838), (52, 412208), (64, 334919), (104, 206104), (208, 103052), (416, 51526), (832, 25763)]