21214298

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 17371942

約数列:

[1, 2, 7, 14, 19, 38, 133, 173, 266, 346, 461, 922, 1211, 2422, 3227, 3287, 6454, 6574, 8759, 17518, 23009, 46018, 61313, 79753, 122626, 159506, 558271, 1116542, 1515307, 3030614, 10607149, 21214298]

約数ペア:

[(1, 21214298), (2, 10607149), (7, 3030614), (14, 1515307), (19, 1116542), (38, 558271), (133, 159506), (173, 122626), (266, 79753), (346, 61313), (461, 46018), (922, 23009), (1211, 17518), (2422, 8759), (3227, 6574), (3287, 6454)]