21467888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3559}}^1$

素因数の和:3609

約数の個数: 40

約数和(自身を含む): 46351200

約数和(自身を除く): 24883312

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3559, 6032, 7118, 14236, 28472, 46267, 56944, 92534, 103211, 185068, 206422, 370136, 412844, 740272, 825688, 1341743, 1651376, 2683486, 5366972, 10733944, 21467888]

約数ペア:

[(1, 21467888), (2, 10733944), (4, 5366972), (8, 2683486), (13, 1651376), (16, 1341743), (26, 825688), (29, 740272), (52, 412844), (58, 370136), (104, 206422), (116, 185068), (208, 103211), (232, 92534), (377, 56944), (464, 46267), (754, 28472), (1508, 14236), (3016, 7118), (3559, 6032)]