21159846

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5519}}^1$

素因数の和:5601

約数の個数: 32

約数和(自身を含む): 47692800

約数和(自身を除く): 26532954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5519, 11038, 16557, 33114, 49671, 99342, 149013, 298026, 391849, 783698, 1175547, 2351094, 3526641, 7053282, 10579923, 21159846]

約数ペア:

[(1, 21159846), (2, 10579923), (3, 7053282), (6, 3526641), (9, 2351094), (18, 1175547), (27, 783698), (54, 391849), (71, 298026), (142, 149013), (213, 99342), (426, 49671), (639, 33114), (1278, 16557), (1917, 11038), (3834, 5519)]