21306106

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 13685894

約数列:

[1, 2, 19, 38, 53, 71, 106, 142, 149, 298, 1007, 1349, 2014, 2698, 2831, 3763, 5662, 7526, 7897, 10579, 15794, 21158, 71497, 142994, 150043, 201001, 300086, 402002, 560687, 1121374, 10653053, 21306106]

約数ペア:

[(1, 21306106), (2, 10653053), (19, 1121374), (38, 560687), (53, 402002), (71, 300086), (106, 201001), (142, 150043), (149, 142994), (298, 71497), (1007, 21158), (1349, 15794), (2014, 10579), (2698, 7897), (2831, 7526), (3763, 5662)]