21915691356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140485201}}^1$

素因数の和:140485221

約数の個数: 24

約数和(自身を含む): 55070199184

約数和(自身を除く): 33154507828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140485201, 280970402, 421455603, 561940804, 842911206, 1685822412, 1826307613, 3652615226, 5478922839, 7305230452, 10957845678, 21915691356]

約数ペア:

[(1, 21915691356), (2, 10957845678), (3, 7305230452), (4, 5478922839), (6, 3652615226), (12, 1826307613), (13, 1685822412), (26, 842911206), (39, 561940804), (52, 421455603), (78, 280970402), (156, 140485201)]