21180147678

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{17053259}}^1$

素因数の和:17053293

約数の個数: 32

約数和(自身を含む): 49113388800

約数和(自身を除く): 27933241122

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 17053259, 34106518, 51159777, 102319554, 153479331, 306958662, 392224957, 460437993, 784449914, 920875986, 1176674871, 2353349742, 3530024613, 7060049226, 10590073839, 21180147678]

約数ペア:

[(1, 21180147678), (2, 10590073839), (3, 7060049226), (6, 3530024613), (9, 2353349742), (18, 1176674871), (23, 920875986), (27, 784449914), (46, 460437993), (54, 392224957), (69, 306958662), (138, 153479331), (207, 102319554), (414, 51159777), (621, 34106518), (1242, 17053259)]