21761667

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 32248320

約数和(自身を除く): 10486653

約数列:

[1, 3, 9, 67, 151, 201, 239, 453, 603, 717, 1359, 2151, 10117, 16013, 30351, 36089, 48039, 91053, 108267, 144117, 324801, 2417963, 7253889, 21761667]

約数ペア:

[(1, 21761667), (3, 7253889), (9, 2417963), (67, 324801), (151, 144117), (201, 108267), (239, 91053), (453, 48039), (603, 36089), (717, 30351), (1359, 16013), (2151, 10117)]