21898484

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 40877760

約数和(自身を除く): 18979276

約数列:

[1, 2, 4, 23, 46, 79, 92, 131, 158, 262, 316, 524, 529, 1058, 1817, 2116, 3013, 3634, 6026, 7268, 10349, 12052, 20698, 41396, 41791, 69299, 83582, 138598, 167164, 238027, 277196, 476054, 952108, 5474621, 10949242, 21898484]

約数ペア:

[(1, 21898484), (2, 10949242), (4, 5474621), (23, 952108), (46, 476054), (79, 277196), (92, 238027), (131, 167164), (158, 138598), (262, 83582), (316, 69299), (524, 41791), (529, 41396), (1058, 20698), (1817, 12052), (2116, 10349), (3013, 7268), (3634, 6026)]