21932691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 11244909

約数列:

[1, 3, 11, 33, 47, 79, 141, 179, 237, 517, 537, 869, 1551, 1969, 2607, 3713, 5907, 8413, 11139, 14141, 25239, 40843, 42423, 92543, 122529, 155551, 277629, 466653, 664627, 1993881, 7310897, 21932691]

約数ペア:

[(1, 21932691), (3, 7310897), (11, 1993881), (33, 664627), (47, 466653), (79, 277629), (141, 155551), (179, 122529), (237, 92543), (517, 42423), (537, 40843), (869, 25239), (1551, 14141), (1969, 11139), (2607, 8413), (3713, 5907)]