21783678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5347}}^1$

素因数の和:5456

約数の個数: 32

約数和(自身を含む): 50313984

約数和(自身を除く): 28530306

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 5347, 10694, 16041, 32082, 37429, 74858, 112287, 224574, 518659, 1037318, 1555977, 3111954, 3630613, 7261226, 10891839, 21783678]

約数ペア:

[(1, 21783678), (2, 10891839), (3, 7261226), (6, 3630613), (7, 3111954), (14, 1555977), (21, 1037318), (42, 518659), (97, 224574), (194, 112287), (291, 74858), (582, 37429), (679, 32082), (1358, 16041), (2037, 10694), (4074, 5347)]