21043921922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1\times {\mathrm{6011}}^1$

素因数の和:6722

約数の個数: 32

約数和(自身を含む): 33482030400

約数和(自身を除く): 12438108478

約数列:

[1, 2, 19, 38, 181, 362, 509, 1018, 3439, 6011, 6878, 9671, 12022, 19342, 92129, 114209, 184258, 228418, 1087991, 1750451, 2175982, 3059599, 3500902, 6119198, 20671829, 41343658, 58132381, 116264762, 553787419, 1107574838, 10521960961, 21043921922]

約数ペア:

[(1, 21043921922), (2, 10521960961), (19, 1107574838), (38, 553787419), (181, 116264762), (362, 58132381), (509, 41343658), (1018, 20671829), (3439, 6119198), (6011, 3500902), (6878, 3059599), (9671, 2175982), (12022, 1750451), (19342, 1087991), (92129, 228418), (114209, 184258)]