20211771832

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1022449}}^1$

素因数の和:1022815

約数の個数: 32

約数和(自身を含む): 43433676000

約数和(自身を除く): 23221904168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1412, 2471, 2824, 4942, 9884, 19768, 1022449, 2044898, 4089796, 7157143, 8179592, 14314286, 28628572, 57257144, 360924497, 721848994, 1443697988, 2526471479, 2887395976, 5052942958, 10105885916, 20211771832]

約数ペア:

[(1, 20211771832), (2, 10105885916), (4, 5052942958), (7, 2887395976), (8, 2526471479), (14, 1443697988), (28, 721848994), (56, 360924497), (353, 57257144), (706, 28628572), (1412, 14314286), (2471, 8179592), (2824, 7157143), (4942, 4089796), (9884, 2044898), (19768, 1022449)]