21337429736

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3699277}}^1$

素因数の和:3699393

約数の個数: 32

約数和(自身を含む): 46166989440

約数和(自身を除く): 24829559704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 3699277, 7398554, 14797108, 25894939, 29594216, 51789878, 103579756, 207159512, 381025531, 762051062, 1524102124, 2667178717, 3048204248, 5334357434, 10668714868, 21337429736]

約数ペア:

[(1, 21337429736), (2, 10668714868), (4, 5334357434), (7, 3048204248), (8, 2667178717), (14, 1524102124), (28, 762051062), (56, 381025531), (103, 207159512), (206, 103579756), (412, 51789878), (721, 29594216), (824, 25894939), (1442, 14797108), (2884, 7398554), (5768, 3699277)]