21201484

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1031}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 38229408

約数和(自身を除く): 17027924

約数列:

[1, 2, 4, 53, 97, 106, 194, 212, 388, 1031, 2062, 4124, 5141, 10282, 20564, 54643, 100007, 109286, 200014, 218572, 400028, 5300371, 10600742, 21201484]

約数ペア:

[(1, 21201484), (2, 10600742), (4, 5300371), (53, 400028), (97, 218572), (106, 200014), (194, 109286), (212, 100007), (388, 54643), (1031, 20564), (2062, 10282), (4124, 5141)]