21409466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2281}}^1$

素因数の和:2334

約数の個数: 24

約数和(自身を含む): 36516564

約数和(自身を除く): 15107098

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 2281, 4562, 4693, 9386, 29653, 43339, 59306, 86678, 563407, 823441, 1126814, 1646882, 10704733, 21409466]

約数ペア:

[(1, 21409466), (2, 10704733), (13, 1646882), (19, 1126814), (26, 823441), (38, 563407), (247, 86678), (361, 59306), (494, 43339), (722, 29653), (2281, 9386), (4562, 4693)]