21954088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211097}}^1$

素因数の和:211116

約数の個数: 16

約数和(自身を含む): 44330580

約数和(自身を除く): 22376492

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211097, 422194, 844388, 1688776, 2744261, 5488522, 10977044, 21954088]

約数ペア:

[(1, 21954088), (2, 10977044), (4, 5488522), (8, 2744261), (13, 1688776), (26, 844388), (52, 422194), (104, 211097)]