21251930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1303}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 43939584

約数和(自身を除く): 22687654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 233, 466, 1165, 1303, 1631, 2330, 2606, 3262, 6515, 8155, 9121, 13030, 16310, 18242, 45605, 91210, 303599, 607198, 1517995, 2125193, 3035990, 4250386, 10625965, 21251930]

約数ペア:

[(1, 21251930), (2, 10625965), (5, 4250386), (7, 3035990), (10, 2125193), (14, 1517995), (35, 607198), (70, 303599), (233, 91210), (466, 45605), (1165, 18242), (1303, 16310), (1631, 13030), (2330, 9121), (2606, 8155), (3262, 6515)]