21411704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 42729120

約数和(自身を除く): 21317416

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 313, 503, 626, 1006, 1252, 2012, 2504, 4024, 5321, 8551, 10642, 17102, 21284, 34204, 42568, 68408, 157439, 314878, 629756, 1259512, 2676463, 5352926, 10705852, 21411704]

約数ペア:

[(1, 21411704), (2, 10705852), (4, 5352926), (8, 2676463), (17, 1259512), (34, 629756), (68, 314878), (136, 157439), (313, 68408), (503, 42568), (626, 34204), (1006, 21284), (1252, 17102), (2012, 10642), (2504, 8551), (4024, 5321)]