21210284

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 38241168

約数和(自身を除く): 17030884

約数列:

[1, 2, 4, 41, 82, 164, 283, 457, 566, 914, 1132, 1828, 11603, 18737, 23206, 37474, 46412, 74948, 129331, 258662, 517324, 5302571, 10605142, 21210284]

約数ペア:

[(1, 21210284), (2, 10605142), (4, 5302571), (41, 517324), (82, 258662), (164, 129331), (283, 74948), (457, 46412), (566, 37474), (914, 23206), (1132, 18737), (1828, 11603)]