21751088

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43853}}^1$

素因数の和:43892

約数の個数: 20

約数和(自身を含む): 43503168

約数和(自身を除く): 21752080

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43853, 87706, 175412, 350824, 701648, 1359443, 2718886, 5437772, 10875544, 21751088]

約数ペア:

[(1, 21751088), (2, 10875544), (4, 5437772), (8, 2718886), (16, 1359443), (31, 701648), (62, 350824), (124, 175412), (248, 87706), (496, 43853)]