21708128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52183}}^1$

素因数の和:52206

約数の個数: 24

約数和(自身を含む): 46026288

約数和(自身を除く): 24318160

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52183, 104366, 208732, 417464, 678379, 834928, 1356758, 1669856, 2713516, 5427032, 10854064, 21708128]

約数ペア:

[(1, 21708128), (2, 10854064), (4, 5427032), (8, 2713516), (13, 1669856), (16, 1356758), (26, 834928), (32, 678379), (52, 417464), (104, 208732), (208, 104366), (416, 52183)]