21107534

素因数分解:

$2^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 38232000

約数和(自身を除く): 17124466

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 343, 406, 686, 1061, 1421, 2122, 2842, 7427, 9947, 14854, 19894, 30769, 51989, 61538, 103978, 215383, 363923, 430766, 727846, 1507681, 3015362, 10553767, 21107534]

約数ペア:

[(1, 21107534), (2, 10553767), (7, 3015362), (14, 1507681), (29, 727846), (49, 430766), (58, 363923), (98, 215383), (203, 103978), (343, 61538), (406, 51989), (686, 30769), (1061, 19894), (1421, 14854), (2122, 9947), (2842, 7427)]