21293013

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5861}}^1$

素因数の和:6044

約数の個数: 16

約数和(自身を含む): 32639616

約数和(自身を除く): 11346603

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5861, 17583, 41027, 123081, 1013953, 3041859, 7097671, 21293013]

約数ペア:

[(1, 21293013), (3, 7097671), (7, 3041859), (21, 1013953), (173, 123081), (519, 41027), (1211, 17583), (3633, 5861)]