21486620007

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{433}}^1\times {\mathrm{27431}}^1$

素因数の和:27940

約数の個数: 32

約数和(自身を含む): 32382927360

約数和(自身を除く): 10896307353

約数列:

[1, 3, 9, 27, 67, 201, 433, 603, 1299, 1809, 3897, 11691, 27431, 29011, 82293, 87033, 246879, 261099, 740637, 783297, 1837877, 5513631, 11877623, 16540893, 35632869, 49622679, 106898607, 320695821, 795800741, 2387402223, 7162206669, 21486620007]

約数ペア:

[(1, 21486620007), (3, 7162206669), (9, 2387402223), (27, 795800741), (67, 320695821), (201, 106898607), (433, 49622679), (603, 35632869), (1299, 16540893), (1809, 11877623), (3897, 5513631), (11691, 1837877), (27431, 783297), (29011, 740637), (82293, 261099), (87033, 246879)]