21338348536

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{953}}^1\times {\mathrm{17827}}^1$

素因数の和:18943

約数の個数: 32

約数和(自身を含む): 40308751440

約数和(自身を除く): 18970402904

約数列:

[1, 2, 4, 8, 157, 314, 628, 953, 1256, 1906, 3812, 7624, 17827, 35654, 71308, 142616, 149621, 299242, 598484, 1196968, 2798839, 5597678, 11195356, 16989131, 22390712, 33978262, 67956524, 135913048, 2667293567, 5334587134, 10669174268, 21338348536]

約数ペア:

[(1, 21338348536), (2, 10669174268), (4, 5334587134), (8, 2667293567), (157, 135913048), (314, 67956524), (628, 33978262), (953, 22390712), (1256, 16989131), (1906, 11195356), (3812, 5597678), (7624, 2798839), (17827, 1196968), (35654, 598484), (71308, 299242), (142616, 149621)]