21464612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 42844032

約数和(自身を除く): 21379420

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 131, 137, 262, 274, 299, 524, 548, 598, 1196, 1703, 1781, 3013, 3151, 3406, 3562, 6026, 6302, 6812, 7124, 12052, 12604, 17947, 35894, 39169, 40963, 71788, 78338, 81926, 156676, 163852, 233311, 412781, 466622, 825562, 933244, 1651124, 5366153, 10732306, 21464612]

約数ペア:

[(1, 21464612), (2, 10732306), (4, 5366153), (13, 1651124), (23, 933244), (26, 825562), (46, 466622), (52, 412781), (92, 233311), (131, 163852), (137, 156676), (262, 81926), (274, 78338), (299, 71788), (524, 40963), (548, 39169), (598, 35894), (1196, 17947), (1703, 12604), (1781, 12052), (3013, 7124), (3151, 6812), (3406, 6302), (3562, 6026)]