21729713031

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2086787}}^1$

素因数の和:2086895

約数の個数: 24

約数和(自身を含む): 34181587440

約数和(自身を除く): 12451874409

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 3471, 10413, 2086787, 6260361, 18781083, 27128231, 81384693, 185724043, 244154079, 557172129, 1671516387, 2414412559, 7243237677, 21729713031]

約数ペア:

[(1, 21729713031), (3, 7243237677), (9, 2414412559), (13, 1671516387), (39, 557172129), (89, 244154079), (117, 185724043), (267, 81384693), (801, 27128231), (1157, 18781083), (3471, 6260361), (10413, 2086787)]