21331024

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9323}}^1$

素因数の和:9355

約数の個数: 40

約数和(自身を含む): 48559392

約数和(自身を除く): 27228368

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9323, 18646, 37292, 74584, 102553, 121199, 149168, 205106, 242398, 410212, 484796, 820424, 969592, 1333189, 1640848, 1939184, 2666378, 5332756, 10665512, 21331024]

約数ペア:

[(1, 21331024), (2, 10665512), (4, 5332756), (8, 2666378), (11, 1939184), (13, 1640848), (16, 1333189), (22, 969592), (26, 820424), (44, 484796), (52, 410212), (88, 242398), (104, 205106), (143, 149168), (176, 121199), (208, 102553), (286, 74584), (572, 37292), (1144, 18646), (2288, 9323)]