21281330983706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{75553}}^1\times {\mathrm{14173}}^1$

素因数の和:90270

約数の個数: 32

約数和(自身を含む): 33669171330240

約数和(自身を除く): 12387840346534

約数列:

[1, 2, 19, 38, 523, 1046, 9937, 14173, 19874, 28346, 75553, 151106, 269287, 538574, 1435507, 2871014, 7412479, 14824958, 39514219, 79028438, 140837101, 281674202, 750770161, 1070812669, 1501540322, 2141625338, 20345440711, 40690881422, 560035025887, 1120070051774, 10640665491853, 21281330983706]

約数ペア:

[(1, 21281330983706), (2, 10640665491853), (19, 1120070051774), (38, 560035025887), (523, 40690881422), (1046, 20345440711), (9937, 2141625338), (14173, 1501540322), (19874, 1070812669), (28346, 750770161), (75553, 281674202), (151106, 140837101), (269287, 79028438), (538574, 39514219), (1435507, 14824958), (2871014, 7412479)]