21553616

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3631}}^1$

素因数の和:3699

約数の個数: 40

約数和(自身を含む): 48639744

約数和(自身を除く): 27086128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3631, 5936, 7262, 14524, 25417, 29048, 50834, 58096, 101668, 192443, 203336, 384886, 406672, 769772, 1347101, 1539544, 2694202, 3079088, 5388404, 10776808, 21553616]

約数ペア:

[(1, 21553616), (2, 10776808), (4, 5388404), (7, 3079088), (8, 2694202), (14, 1539544), (16, 1347101), (28, 769772), (53, 406672), (56, 384886), (106, 203336), (112, 192443), (212, 101668), (371, 58096), (424, 50834), (742, 29048), (848, 25417), (1484, 14524), (2968, 7262), (3631, 5936)]