21031915041

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1261133}}^1$

素因数の和:1261265

約数の個数: 24

約数和(自身を含む): 32461589160

約数和(自身を除く): 11429674119

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 981, 1853, 5559, 16677, 1261133, 3783399, 11350197, 21439261, 64317783, 137463497, 192953349, 412390491, 1237171473, 2336879449, 7010638347, 21031915041]

約数ペア:

[(1, 21031915041), (3, 7010638347), (9, 2336879449), (17, 1237171473), (51, 412390491), (109, 192953349), (153, 137463497), (327, 64317783), (981, 21439261), (1853, 11350197), (5559, 3783399), (16677, 1261133)]