21641181

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 29491200

約数和(自身を除く): 7850019

約数列:

[1, 3, 79, 127, 237, 381, 719, 2157, 10033, 30099, 56801, 91313, 170403, 273939, 7213727, 21641181]

約数ペア:

[(1, 21641181), (3, 7213727), (79, 273939), (127, 170403), (237, 91313), (381, 56801), (719, 30099), (2157, 10033)]