21828794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 37183104

約数和(自身を除く): 15354310

約数列:

[1, 2, 13, 23, 26, 46, 173, 211, 299, 346, 422, 598, 2249, 2743, 3979, 4498, 4853, 5486, 7958, 9706, 36503, 51727, 63089, 73006, 103454, 126178, 474539, 839569, 949078, 1679138, 10914397, 21828794]

約数ペア:

[(1, 21828794), (2, 10914397), (13, 1679138), (23, 949078), (26, 839569), (46, 474539), (173, 126178), (211, 103454), (299, 73006), (346, 63089), (422, 51727), (598, 36503), (2249, 9706), (2743, 7958), (3979, 5486), (4498, 4853)]