21290147248

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{441631}}^1$

素因数の和:441793

約数の個数: 40

約数和(自身を含む): 43371795456

約数和(自身を除く): 22081648208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 131, 184, 262, 368, 524, 1048, 2096, 3013, 6026, 12052, 24104, 48208, 441631, 883262, 1766524, 3533048, 7066096, 10157513, 20315026, 40630052, 57853661, 81260104, 115707322, 162520208, 231414644, 462829288, 925658576, 1330634203, 2661268406, 5322536812, 10645073624, 21290147248]

約数ペア:

[(1, 21290147248), (2, 10645073624), (4, 5322536812), (8, 2661268406), (16, 1330634203), (23, 925658576), (46, 462829288), (92, 231414644), (131, 162520208), (184, 115707322), (262, 81260104), (368, 57853661), (524, 40630052), (1048, 20315026), (2096, 10157513), (3013, 7066096), (6026, 3533048), (12052, 1766524), (24104, 883262), (48208, 441631)]