21366904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5011}}^1$

素因数の和:5071

約数の個数: 32

約数和(自身を含む): 44205840

約数和(自身を除く): 22838936

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 5011, 10022, 20044, 40088, 65143, 130286, 205451, 260572, 410902, 521144, 821804, 1643608, 2670863, 5341726, 10683452, 21366904]

約数ペア:

[(1, 21366904), (2, 10683452), (4, 5341726), (8, 2670863), (13, 1643608), (26, 821804), (41, 521144), (52, 410902), (82, 260572), (104, 205451), (164, 130286), (328, 65143), (533, 40088), (1066, 20044), (2132, 10022), (4264, 5011)]