21906512

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{29131}}^1$

素因数の和:29186

約数の個数: 20

約数和(自身を含む): 43348416

約数和(自身を除く): 21441904

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 29131, 58262, 116524, 233048, 466096, 1369157, 2738314, 5476628, 10953256, 21906512]

約数ペア:

[(1, 21906512), (2, 10953256), (4, 5476628), (8, 2738314), (16, 1369157), (47, 466096), (94, 233048), (188, 116524), (376, 58262), (752, 29131)]