21651661

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 1633139

約数列:

[1, 29, 43, 97, 179, 1247, 2813, 4171, 5191, 7697, 17363, 120959, 223213, 503527, 746609, 21651661]

約数ペア:

[(1, 21651661), (29, 746609), (43, 503527), (97, 223213), (179, 120959), (1247, 17363), (2813, 7697), (4171, 5191)]