21452807961

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{48623}}^1$

素因数の和:49067

約数の個数: 40

約数和(自身を含む): 34595003520

約数和(自身を除く): 13142195559

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 419, 1053, 1257, 3771, 5447, 11313, 16341, 33939, 48623, 49023, 145869, 147069, 437607, 441207, 632099, 1312821, 1896297, 3938463, 5688891, 17066673, 20373037, 51200019, 61119111, 183357333, 264849481, 550071999, 794548443, 1650215997, 2383645329, 7150935987, 21452807961]

約数ペア:

[(1, 21452807961), (3, 7150935987), (9, 2383645329), (13, 1650215997), (27, 794548443), (39, 550071999), (81, 264849481), (117, 183357333), (351, 61119111), (419, 51200019), (1053, 20373037), (1257, 17066673), (3771, 5688891), (5447, 3938463), (11313, 1896297), (16341, 1312821), (33939, 632099), (48623, 441207), (49023, 437607), (145869, 147069)]