21753642765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3709061}}^1$

素因数の和:3709109

約数の個数: 32

約数和(自身を含む): 38455554816

約数和(自身を除く): 16701912051

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 3709061, 11127183, 18545305, 55635915, 63054037, 85308403, 189162111, 255925209, 315270185, 426542015, 945810555, 1279626045, 1450242851, 4350728553, 7251214255, 21753642765]

約数ペア:

[(1, 21753642765), (3, 7251214255), (5, 4350728553), (15, 1450242851), (17, 1279626045), (23, 945810555), (51, 426542015), (69, 315270185), (85, 255925209), (115, 189162111), (255, 85308403), (345, 63054037), (391, 55635915), (1173, 18545305), (1955, 11127183), (5865, 3709061)]