21953776

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:410

約数の個数: 60

約数和(自身を含む): 48197808

約数和(自身を除く): 26244032

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 169, 184, 208, 299, 338, 353, 368, 598, 676, 706, 1196, 1352, 1412, 2392, 2704, 2824, 3887, 4589, 4784, 5648, 7774, 8119, 9178, 15548, 16238, 18356, 31096, 32476, 36712, 59657, 62192, 64952, 73424, 105547, 119314, 129904, 211094, 238628, 422188, 477256, 844376, 954512, 1372111, 1688752, 2744222, 5488444, 10976888, 21953776]

約数ペア:

[(1, 21953776), (2, 10976888), (4, 5488444), (8, 2744222), (13, 1688752), (16, 1372111), (23, 954512), (26, 844376), (46, 477256), (52, 422188), (92, 238628), (104, 211094), (169, 129904), (184, 119314), (208, 105547), (299, 73424), (338, 64952), (353, 62192), (368, 59657), (598, 36712), (676, 32476), (706, 31096), (1196, 18356), (1352, 16238), (1412, 15548), (2392, 9178), (2704, 8119), (2824, 7774), (3887, 5648), (4589, 4784)]