21999465

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1831}}^1$

素因数の和:1934

約数の個数: 32

約数和(自身を含む): 39571200

約数和(自身を除く): 17571735

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 1831, 2403, 4005, 5493, 9155, 12015, 16479, 27465, 49437, 82395, 162959, 247185, 488877, 814795, 1466631, 2444385, 4399893, 7333155, 21999465]

約数ペア:

[(1, 21999465), (3, 7333155), (5, 4399893), (9, 2444385), (15, 1466631), (27, 814795), (45, 488877), (89, 247185), (135, 162959), (267, 82395), (445, 49437), (801, 27465), (1335, 16479), (1831, 12015), (2403, 9155), (4005, 5493)]