21522753

素因数分解:

$3^5\times 7^1\times {\mathrm{12653}}^1$

素因数の和:12675

約数の個数: 24

約数和(自身を含む): 36848448

約数和(自身を除く): 15325695

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12653, 37959, 88571, 113877, 265713, 341631, 797139, 1024893, 2391417, 3074679, 7174251, 21522753]

約数ペア:

[(1, 21522753), (3, 7174251), (7, 3074679), (9, 2391417), (21, 1024893), (27, 797139), (63, 341631), (81, 265713), (189, 113877), (243, 88571), (567, 37959), (1701, 12653)]