21036070706

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{682679}}^1$

素因数の和:682790

約数の個数: 32

約数和(自身を含む): 37749473280

約数和(自身を除く): 16713402574

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 994, 2201, 4402, 15407, 30814, 682679, 1365358, 4778753, 9557506, 21163049, 42326098, 48470209, 96940418, 148141343, 296282686, 339291463, 678582926, 1502576479, 3005152958, 10518035353, 21036070706]

約数ペア:

[(1, 21036070706), (2, 10518035353), (7, 3005152958), (14, 1502576479), (31, 678582926), (62, 339291463), (71, 296282686), (142, 148141343), (217, 96940418), (434, 48470209), (497, 42326098), (994, 21163049), (2201, 9557506), (4402, 4778753), (15407, 1365358), (30814, 682679)]