21212506

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 37676160

約数和(自身を除く): 16463654

約数列:

[1, 2, 7, 14, 59, 61, 118, 122, 413, 421, 427, 826, 842, 854, 2947, 3599, 5894, 7198, 24839, 25193, 25681, 49678, 50386, 51362, 173873, 179767, 347746, 359534, 1515179, 3030358, 10606253, 21212506]

約数ペア:

[(1, 21212506), (2, 10606253), (7, 3030358), (14, 1515179), (59, 359534), (61, 347746), (118, 179767), (122, 173873), (413, 51362), (421, 50386), (427, 49678), (826, 25681), (842, 25193), (854, 24839), (2947, 7198), (3599, 5894)]