21101574

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2789}}^1$

素因数の和:2904

約数の個数: 32

約数和(自身を含む): 45934560

約数和(自身を除く): 24832986

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 291, 582, 1261, 2522, 2789, 3783, 5578, 7566, 8367, 16734, 36257, 72514, 108771, 217542, 270533, 541066, 811599, 1623198, 3516929, 7033858, 10550787, 21101574]

約数ペア:

[(1, 21101574), (2, 10550787), (3, 7033858), (6, 3516929), (13, 1623198), (26, 811599), (39, 541066), (78, 270533), (97, 217542), (194, 108771), (291, 72514), (582, 36257), (1261, 16734), (2522, 8367), (2789, 7566), (3783, 5578)]