21174872

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 41504400

約数和(自身を除く): 20329528

約数列:

[1, 2, 4, 8, 29, 58, 107, 116, 214, 232, 428, 853, 856, 1706, 3103, 3412, 6206, 6824, 12412, 24737, 24824, 49474, 91271, 98948, 182542, 197896, 365084, 730168, 2646859, 5293718, 10587436, 21174872]

約数ペア:

[(1, 21174872), (2, 10587436), (4, 5293718), (8, 2646859), (29, 730168), (58, 365084), (107, 197896), (116, 182542), (214, 98948), (232, 91271), (428, 49474), (853, 24824), (856, 24737), (1706, 12412), (3103, 6824), (3412, 6206)]