21095402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 35335440

約数和(自身を除く): 14240038

約数列:

[1, 2, 17, 34, 37, 41, 74, 82, 409, 629, 697, 818, 1258, 1394, 1517, 3034, 6953, 13906, 15133, 16769, 25789, 30266, 33538, 51578, 257261, 285073, 514522, 570146, 620453, 1240906, 10547701, 21095402]

約数ペア:

[(1, 21095402), (2, 10547701), (17, 1240906), (34, 620453), (37, 570146), (41, 514522), (74, 285073), (82, 257261), (409, 51578), (629, 33538), (697, 30266), (818, 25789), (1258, 16769), (1394, 15133), (1517, 13906), (3034, 6953)]