21535644

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1087}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 54591488

約数和(自身を除く): 33055844

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1087, 1524, 1651, 2174, 3261, 3302, 4348, 4953, 6522, 6604, 9906, 13044, 14131, 19812, 28262, 42393, 56524, 84786, 138049, 169572, 276098, 414147, 552196, 828294, 1656588, 1794637, 3589274, 5383911, 7178548, 10767822, 21535644]

約数ペア:

[(1, 21535644), (2, 10767822), (3, 7178548), (4, 5383911), (6, 3589274), (12, 1794637), (13, 1656588), (26, 828294), (39, 552196), (52, 414147), (78, 276098), (127, 169572), (156, 138049), (254, 84786), (381, 56524), (508, 42393), (762, 28262), (1087, 19812), (1524, 14131), (1651, 13044), (2174, 9906), (3261, 6604), (3302, 6522), (4348, 4953)]