21328045107

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1\times {\mathrm{5849}}^1$

素因数の和:7147

約数の個数: 32

約数和(自身を含む): 30393792000

約数和(自身を除く): 9065746893

約数列:

[1, 3, 23, 43, 69, 129, 989, 1229, 2967, 3687, 5849, 17547, 28267, 52847, 84801, 134527, 158541, 251507, 403581, 754521, 1215481, 3646443, 5784661, 7188421, 17353983, 21565263, 165333683, 309102103, 496001049, 927306309, 7109348369, 21328045107]

約数ペア:

[(1, 21328045107), (3, 7109348369), (23, 927306309), (43, 496001049), (69, 309102103), (129, 165333683), (989, 21565263), (1229, 17353983), (2967, 7188421), (3687, 5784661), (5849, 3646443), (17547, 1215481), (28267, 754521), (52847, 403581), (84801, 251507), (134527, 158541)]