21627410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{607}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 23024110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 509, 607, 1018, 1214, 2545, 3035, 3563, 4249, 5090, 6070, 7126, 8498, 17815, 21245, 35630, 42490, 308963, 617926, 1544815, 2162741, 3089630, 4325482, 10813705, 21627410]

約数ペア:

[(1, 21627410), (2, 10813705), (5, 4325482), (7, 3089630), (10, 2162741), (14, 1544815), (35, 617926), (70, 308963), (509, 42490), (607, 35630), (1018, 21245), (1214, 17815), (2545, 8498), (3035, 7126), (3563, 6070), (4249, 5090)]