21046064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101183}}^1$

素因数の和:101204

約数の個数: 20

約数和(自身を含む): 43913856

約数和(自身を除く): 22867792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101183, 202366, 404732, 809464, 1315379, 1618928, 2630758, 5261516, 10523032, 21046064]

約数ペア:

[(1, 21046064), (2, 10523032), (4, 5261516), (8, 2630758), (13, 1618928), (16, 1315379), (26, 809464), (52, 404732), (104, 202366), (208, 101183)]