21913816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{599}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 43740000

約数和(自身を除く): 21826184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 269, 538, 599, 1076, 1198, 2152, 2396, 4573, 4792, 9146, 10183, 18292, 20366, 36584, 40732, 81464, 161131, 322262, 644524, 1289048, 2739227, 5478454, 10956908, 21913816]

約数ペア:

[(1, 21913816), (2, 10956908), (4, 5478454), (8, 2739227), (17, 1289048), (34, 644524), (68, 322262), (136, 161131), (269, 81464), (538, 40732), (599, 36584), (1076, 20366), (1198, 18292), (2152, 10183), (2396, 9146), (4573, 4792)]