21138045405

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{266239}}^1$

素因数の和:266393

約数の個数: 32

約数和(自身を含む): 34760294400

約数和(自身を除く): 13622248995

約数列:

[1, 3, 5, 15, 67, 79, 201, 237, 335, 395, 1005, 1185, 5293, 15879, 26465, 79395, 266239, 798717, 1331195, 3993585, 17838013, 21032881, 53514039, 63098643, 89190065, 105164405, 267570195, 315493215, 1409203027, 4227609081, 7046015135, 21138045405]

約数ペア:

[(1, 21138045405), (3, 7046015135), (5, 4227609081), (15, 1409203027), (67, 315493215), (79, 267570195), (201, 105164405), (237, 89190065), (335, 63098643), (395, 53514039), (1005, 21032881), (1185, 17838013), (5293, 3993585), (15879, 1331195), (26465, 798717), (79395, 266239)]