21625383

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{577}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 32141424

約数和(自身を除く): 10516041

約数列:

[1, 3, 13, 31, 39, 93, 403, 577, 961, 1209, 1731, 2883, 7501, 12493, 17887, 22503, 37479, 53661, 232531, 554497, 697593, 1663491, 7208461, 21625383]

約数ペア:

[(1, 21625383), (3, 7208461), (13, 1663491), (31, 697593), (39, 554497), (93, 232531), (403, 53661), (577, 37479), (961, 22503), (1209, 17887), (1731, 12493), (2883, 7501)]