21158045286417

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6163}}^1\times {\mathrm{1726031}}^1$

素因数の和:1732230

約数の個数: 48

約数和(自身を含む): 34854219848448

約数和(自身を除く): 13696174562031

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 6163, 18489, 55467, 80119, 104771, 240357, 314313, 721071, 942939, 1362023, 1726031, 4086069, 5178093, 12258207, 15534279, 22438403, 29342527, 67315209, 88027581, 201945627, 264082743, 381452851, 1144358553, 3433075659, 10637529053, 31912587159, 95737761477, 138287877689, 180837993901, 414863633067, 542513981703, 1244590899201, 1627541945109, 2350893920713, 7052681762139, 21158045286417]

約数ペア:

[(1, 21158045286417), (3, 7052681762139), (9, 2350893920713), (13, 1627541945109), (17, 1244590899201), (39, 542513981703), (51, 414863633067), (117, 180837993901), (153, 138287877689), (221, 95737761477), (663, 31912587159), (1989, 10637529053), (6163, 3433075659), (18489, 1144358553), (55467, 381452851), (80119, 264082743), (104771, 201945627), (240357, 88027581), (314313, 67315209), (721071, 29342527), (942939, 22438403), (1362023, 15534279), (1726031, 12258207), (4086069, 5178093)]