21691652

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2791}}^1$

素因数の和:2891

約数の個数: 24

約数和(自身を含む): 39869760

約数和(自身を除く): 18178108

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 268, 1943, 2791, 3886, 5582, 7772, 11164, 80939, 161878, 186997, 323756, 373994, 747988, 5422913, 10845826, 21691652]

約数ペア:

[(1, 21691652), (2, 10845826), (4, 5422913), (29, 747988), (58, 373994), (67, 323756), (116, 186997), (134, 161878), (268, 80939), (1943, 11164), (2791, 7772), (3886, 5582)]