21361232

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43067}}^1$

素因数の和:43106

約数の個数: 20

約数和(自身を含む): 42723456

約数和(自身を除く): 21362224

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43067, 86134, 172268, 344536, 689072, 1335077, 2670154, 5340308, 10680616, 21361232]

約数ペア:

[(1, 21361232), (2, 10680616), (4, 5340308), (8, 2670154), (16, 1335077), (31, 689072), (62, 344536), (124, 172268), (248, 86134), (496, 43067)]