21276590775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1579}}^1\times {\mathrm{16333}}^1$

素因数の和:17936

約数の個数: 48

約数和(自身を含む): 38401887360

約数和(自身を除く): 17125296585

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 1579, 4737, 7895, 16333, 17369, 23685, 39475, 48999, 52107, 81665, 86845, 118425, 179663, 244995, 260535, 408325, 434225, 538989, 898315, 1224975, 1302675, 2694945, 4491575, 13474725, 25789807, 77369421, 128949035, 283687877, 386847105, 644745175, 851063631, 1418439385, 1934235525, 4255318155, 7092196925, 21276590775]

約数ペア:

[(1, 21276590775), (3, 7092196925), (5, 4255318155), (11, 1934235525), (15, 1418439385), (25, 851063631), (33, 644745175), (55, 386847105), (75, 283687877), (165, 128949035), (275, 77369421), (825, 25789807), (1579, 13474725), (4737, 4491575), (7895, 2694945), (16333, 1302675), (17369, 1224975), (23685, 898315), (39475, 538989), (48999, 434225), (52107, 408325), (81665, 260535), (86845, 244995), (118425, 179663)]