21342928707

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{15583}}^1$

素因数の和:16089

約数の個数: 40

約数和(自身を含む): 32818096256

約数和(自身を除く): 11475167549

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 457, 999, 1371, 2997, 4113, 12339, 15583, 16909, 37017, 46749, 50727, 140247, 152181, 420741, 456543, 576571, 1262223, 1369629, 1729713, 5189139, 7121431, 15567417, 21364293, 46702251, 64092879, 192278637, 263492947, 576835911, 790478841, 2371436523, 7114309569, 21342928707]

約数ペア:

[(1, 21342928707), (3, 7114309569), (9, 2371436523), (27, 790478841), (37, 576835911), (81, 263492947), (111, 192278637), (333, 64092879), (457, 46702251), (999, 21364293), (1371, 15567417), (2997, 7121431), (4113, 5189139), (12339, 1729713), (15583, 1369629), (16909, 1262223), (37017, 576571), (46749, 456543), (50727, 420741), (140247, 152181)]