21370887

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6073}}^1$

素因数の和:6119

約数の個数: 24

約数和(自身を含む): 34111584

約数和(自身を除く): 12740697

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 6073, 18219, 54657, 103241, 139679, 309723, 419037, 929169, 1257111, 2374543, 7123629, 21370887]

約数ペア:

[(1, 21370887), (3, 7123629), (9, 2374543), (17, 1257111), (23, 929169), (51, 419037), (69, 309723), (153, 139679), (207, 103241), (391, 54657), (1173, 18219), (3519, 6073)]