21134355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5569}}^1$

素因数の和:5611

約数の個数: 32

約数和(自身を含む): 38499840

約数和(自身を除く): 17365485

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5569, 16707, 27845, 61259, 83535, 128087, 183777, 306295, 384261, 640435, 918885, 1408957, 1921305, 4226871, 7044785, 21134355]

約数ペア:

[(1, 21134355), (3, 7044785), (5, 4226871), (11, 1921305), (15, 1408957), (23, 918885), (33, 640435), (55, 384261), (69, 306295), (115, 183777), (165, 128087), (253, 83535), (345, 61259), (759, 27845), (1265, 16707), (3795, 5569)]