21169616

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7829}}^1$

素因数の和:7863

約数の個数: 30

約数和(自身を含む): 44419590

約数和(自身を除く): 23249974

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7829, 15658, 31316, 62632, 101777, 125264, 203554, 407108, 814216, 1323101, 1628432, 2646202, 5292404, 10584808, 21169616]

約数ペア:

[(1, 21169616), (2, 10584808), (4, 5292404), (8, 2646202), (13, 1628432), (16, 1323101), (26, 814216), (52, 407108), (104, 203554), (169, 125264), (208, 101777), (338, 62632), (676, 31316), (1352, 15658), (2704, 7829)]