21787186795

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{1753}}^1\times {\mathrm{20543}}^1$

素因数の和:22323

約数の個数: 24

約数和(自身を含む): 28755272448

約数和(自身を除く): 6968085653

約数列:

[1, 5, 11, 55, 121, 605, 1753, 8765, 19283, 20543, 96415, 102715, 212113, 225973, 1060565, 1129865, 2485703, 12428515, 36011879, 180059395, 396130669, 1980653345, 4357437359, 21787186795]

約数ペア:

[(1, 21787186795), (5, 4357437359), (11, 1980653345), (55, 396130669), (121, 180059395), (605, 36011879), (1753, 12428515), (8765, 2485703), (19283, 1129865), (20543, 1060565), (96415, 225973), (102715, 212113)]