21996878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{1223}}^1$

素因数の和:1288

約数の個数: 24

約数和(自身を含む): 36551088

約数和(自身を除く): 14554210

約数列:

[1, 2, 17, 23, 34, 46, 391, 529, 782, 1058, 1223, 2446, 8993, 17986, 20791, 28129, 41582, 56258, 478193, 646967, 956386, 1293934, 10998439, 21996878]

約数ペア:

[(1, 21996878), (2, 10998439), (17, 1293934), (23, 956386), (34, 646967), (46, 478193), (391, 56258), (529, 41582), (782, 28129), (1058, 20791), (1223, 17986), (2446, 8993)]