21853078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 16531562

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 1427, 2854, 7657, 15314, 18551, 27113, 37102, 44237, 54226, 88474, 352469, 575081, 704938, 840503, 1150162, 1681006, 10926539, 21853078]

約数ペア:

[(1, 21853078), (2, 10926539), (13, 1681006), (19, 1150162), (26, 840503), (31, 704938), (38, 575081), (62, 352469), (247, 88474), (403, 54226), (494, 44237), (589, 37102), (806, 27113), (1178, 18551), (1427, 15314), (2854, 7657)]