21769516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2953}}^1$

素因数の和:3073

約数の個数: 24

約数和(自身を含む): 40528880

約数和(自身を除く): 18759364

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2953, 3686, 5906, 7372, 11812, 56107, 112214, 224428, 286441, 572882, 1145764, 5442379, 10884758, 21769516]

約数ペア:

[(1, 21769516), (2, 10884758), (4, 5442379), (19, 1145764), (38, 572882), (76, 286441), (97, 224428), (194, 112214), (388, 56107), (1843, 11812), (2953, 7372), (3686, 5906)]