21569679

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4463}}^1$

素因数の和:4651

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 10571121

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4463, 4833, 13389, 40167, 120501, 798877, 2396631, 7189893, 21569679]

約数ペア:

[(1, 21569679), (3, 7189893), (9, 2396631), (27, 798877), (179, 120501), (537, 40167), (1611, 13389), (4463, 4833)]