21000297016

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{160073}}^1$

素因数の和:160156

約数の個数: 48

約数和(自身を含む): 42490042560

約数和(自身を除く): 21489745544

約数列:

[1, 2, 4, 8, 23, 31, 46, 62, 92, 124, 184, 248, 529, 713, 1058, 1426, 2116, 2852, 4232, 5704, 16399, 32798, 65596, 131192, 160073, 320146, 640292, 1280584, 3681679, 4962263, 7363358, 9924526, 14726716, 19849052, 29453432, 39698104, 84678617, 114132049, 169357234, 228264098, 338714468, 456528196, 677428936, 913056392, 2625037127, 5250074254, 10500148508, 21000297016]

約数ペア:

[(1, 21000297016), (2, 10500148508), (4, 5250074254), (8, 2625037127), (23, 913056392), (31, 677428936), (46, 456528196), (62, 338714468), (92, 228264098), (124, 169357234), (184, 114132049), (248, 84678617), (529, 39698104), (713, 29453432), (1058, 19849052), (1426, 14726716), (2116, 9924526), (2852, 7363358), (4232, 4962263), (5704, 3681679), (16399, 1280584), (32798, 640292), (65596, 320146), (131192, 160073)]