21521966

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15439}}^1$

素因数の和:15499

約数の個数: 16

約数和(自身を含む): 35017920

約数和(自身を除く): 13495954

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15439, 30878, 262463, 524926, 632999, 1265998, 10760983, 21521966]

約数ペア:

[(1, 21521966), (2, 10760983), (17, 1265998), (34, 632999), (41, 524926), (82, 262463), (697, 30878), (1394, 15439)]