21134385

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1759}}^1$

素因数の和:1862

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 16881615

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 1759, 2403, 4005, 5277, 8795, 12015, 15831, 26385, 47493, 79155, 156551, 237465, 469653, 782755, 1408959, 2348265, 4226877, 7044795, 21134385]

約数ペア:

[(1, 21134385), (3, 7044795), (5, 4226877), (9, 2348265), (15, 1408959), (27, 782755), (45, 469653), (89, 237465), (135, 156551), (267, 79155), (445, 47493), (801, 26385), (1335, 15831), (1759, 12015), (2403, 8795), (4005, 5277)]