21065345087

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{2339}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 23816332800

約数和(自身を除く): 2750987713

約数列:

[1, 19, 23, 37, 437, 557, 703, 851, 2339, 10583, 12811, 16169, 20609, 44441, 53797, 86543, 243409, 391571, 474007, 1022143, 1302823, 1644317, 1990489, 9006133, 24753637, 29964929, 37819291, 48204451, 569333651, 915884569, 1108702373, 21065345087]

約数ペア:

[(1, 21065345087), (19, 1108702373), (23, 915884569), (37, 569333651), (437, 48204451), (557, 37819291), (703, 29964929), (851, 24753637), (2339, 9006133), (10583, 1990489), (12811, 1644317), (16169, 1302823), (20609, 1022143), (44441, 474007), (53797, 391571), (86543, 243409)]