21496527

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{587}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 33603024

約数和(自身を除く): 12106497

約数列:

[1, 3, 9, 13, 39, 117, 313, 587, 939, 1761, 2817, 4069, 5283, 7631, 12207, 22893, 36621, 68679, 183731, 551193, 1653579, 2388503, 7165509, 21496527]

約数ペア:

[(1, 21496527), (3, 7165509), (9, 2388503), (13, 1653579), (39, 551193), (117, 183731), (313, 68679), (587, 36621), (939, 22893), (1761, 12207), (2817, 7631), (4069, 5283)]