21059068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7489}}^1$

素因数の和:7549

約数の個数: 24

約数和(自身を含む): 39846800

約数和(自身を除く): 18787732

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7489, 14978, 29956, 142291, 277093, 284582, 554186, 569164, 1108372, 5264767, 10529534, 21059068]

約数ペア:

[(1, 21059068), (2, 10529534), (4, 5264767), (19, 1108372), (37, 569164), (38, 554186), (74, 284582), (76, 277093), (148, 142291), (703, 29956), (1406, 14978), (2812, 7489)]