210621892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1367}}^1\times {\mathrm{2963}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 397365696

約数和(自身を除く): 186743804

約数列:

[1, 2, 4, 13, 26, 52, 1367, 2734, 2963, 5468, 5926, 11852, 17771, 35542, 38519, 71084, 77038, 154076, 4050421, 8100842, 16201684, 52655473, 105310946, 210621892]

約数ペア:

[(1, 210621892), (2, 105310946), (4, 52655473), (13, 16201684), (26, 8100842), (52, 4050421), (1367, 154076), (2734, 77038), (2963, 71084), (5468, 38519), (5926, 35542), (11852, 17771)]