21102912278

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1\times {\mathrm{9767}}^1$

素因数の和:10916

約数の個数: 32

約数和(自身を含む): 36447611904

約数和(自身を除く): 15344699626

約数列:

[1, 2, 7, 14, 157, 314, 983, 1099, 1966, 2198, 6881, 9767, 13762, 19534, 68369, 136738, 154331, 308662, 1080317, 1533419, 2160634, 3066838, 9600961, 10733933, 19201922, 21467866, 67206727, 134413454, 1507350877, 3014701754, 10551456139, 21102912278]

約数ペア:

[(1, 21102912278), (2, 10551456139), (7, 3014701754), (14, 1507350877), (157, 134413454), (314, 67206727), (983, 21467866), (1099, 19201922), (1966, 10733933), (2198, 9600961), (6881, 3066838), (9767, 2160634), (13762, 1533419), (19534, 1080317), (68369, 308662), (136738, 154331)]