21730408091

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{18229}}^1\times {\mathrm{8963}}^1$

素因数の和:27218

約数の個数: 16

約数和(自身を含む): 26146195200

約数和(自身を除く): 4415787109

約数列:

[1, 7, 19, 133, 8963, 18229, 62741, 127603, 170297, 346351, 1192079, 2424457, 163386527, 1143705689, 3104344013, 21730408091]

約数ペア:

[(1, 21730408091), (7, 3104344013), (19, 1143705689), (133, 163386527), (8963, 2424457), (18229, 1192079), (62741, 346351), (127603, 170297)]