21805888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{26209}}^1$

素因数の和:26234

約数の個数: 28

約数和(自身を含む): 46601380

約数和(自身を除く): 24795492

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 26209, 52418, 104836, 209672, 340717, 419344, 681434, 838688, 1362868, 1677376, 2725736, 5451472, 10902944, 21805888]

約数ペア:

[(1, 21805888), (2, 10902944), (4, 5451472), (8, 2725736), (13, 1677376), (16, 1362868), (26, 838688), (32, 681434), (52, 419344), (64, 340717), (104, 209672), (208, 104836), (416, 52418), (832, 26209)]