21606572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1151}}^1$

素因数の和:1206

約数の個数: 36

約数和(自身を含む): 43013376

約数和(自身を除く): 21406804

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1151, 1444, 2302, 4604, 4693, 9386, 14963, 18772, 21869, 29926, 43738, 59852, 87476, 284297, 415511, 568594, 831022, 1137188, 1662044, 5401643, 10803286, 21606572]

約数ペア:

[(1, 21606572), (2, 10803286), (4, 5401643), (13, 1662044), (19, 1137188), (26, 831022), (38, 568594), (52, 415511), (76, 284297), (247, 87476), (361, 59852), (494, 43738), (722, 29926), (988, 21869), (1151, 18772), (1444, 14963), (2302, 9386), (4604, 4693)]