21506056

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 47760300

約数和(自身を除く): 26254244

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1573, 1709, 3146, 3418, 6292, 6836, 12584, 13672, 18799, 22217, 37598, 44434, 75196, 88868, 150392, 177736, 206789, 244387, 413578, 488774, 827156, 977548, 1654312, 1955096, 2688257, 5376514, 10753028, 21506056]

約数ペア:

[(1, 21506056), (2, 10753028), (4, 5376514), (8, 2688257), (11, 1955096), (13, 1654312), (22, 977548), (26, 827156), (44, 488774), (52, 413578), (88, 244387), (104, 206789), (121, 177736), (143, 150392), (242, 88868), (286, 75196), (484, 44434), (572, 37598), (968, 22217), (1144, 18799), (1573, 13672), (1709, 12584), (3146, 6836), (3418, 6292)]