21969585

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44383}}^1$

素因数の和:44405

約数の個数: 24

約数和(自身を含む): 41543424

約数和(自身を除く): 19573839

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 44383, 133149, 221915, 399447, 488213, 665745, 1464639, 1997235, 2441065, 4393917, 7323195, 21969585]

約数ペア:

[(1, 21969585), (3, 7323195), (5, 4393917), (9, 2441065), (11, 1997235), (15, 1464639), (33, 665745), (45, 488213), (55, 399447), (99, 221915), (165, 133149), (495, 44383)]