21167368805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{52627}}^1$

素因数の和:52817

約数の個数: 32

約数和(自身を含む): 28373649408

約数和(自身を除く): 7206280603

約数列:

[1, 5, 11, 55, 71, 103, 355, 515, 781, 1133, 3905, 5665, 7313, 36565, 52627, 80443, 263135, 402215, 578897, 2894485, 3736517, 5420581, 18682585, 27102905, 41101687, 59626391, 205508435, 298131955, 384861251, 1924306255, 4233473761, 21167368805]

約数ペア:

[(1, 21167368805), (5, 4233473761), (11, 1924306255), (55, 384861251), (71, 298131955), (103, 205508435), (355, 59626391), (515, 41101687), (781, 27102905), (1133, 18682585), (3905, 5420581), (5665, 3736517), (7313, 2894485), (36565, 578897), (52627, 402215), (80443, 263135)]