21401994

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 43838784

約数和(自身を除く): 22436790

約数列:

[1, 2, 3, 6, 73, 131, 146, 219, 262, 373, 393, 438, 746, 786, 1119, 2238, 9563, 19126, 27229, 28689, 48863, 54458, 57378, 81687, 97726, 146589, 163374, 293178, 3566999, 7133998, 10700997, 21401994]

約数ペア:

[(1, 21401994), (2, 10700997), (3, 7133998), (6, 3566999), (73, 293178), (131, 163374), (146, 146589), (219, 97726), (262, 81687), (373, 57378), (393, 54458), (438, 48863), (746, 28689), (786, 27229), (1119, 19126), (2238, 9563)]