21164822

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 17300458

約数列:

[1, 2, 7, 14, 19, 38, 133, 251, 266, 317, 502, 634, 1757, 2219, 3514, 4438, 4769, 6023, 9538, 12046, 33383, 42161, 66766, 79567, 84322, 159134, 556969, 1113938, 1511773, 3023546, 10582411, 21164822]

約数ペア:

[(1, 21164822), (2, 10582411), (7, 3023546), (14, 1511773), (19, 1113938), (38, 556969), (133, 159134), (251, 84322), (266, 79567), (317, 66766), (502, 42161), (634, 33383), (1757, 12046), (2219, 9538), (3514, 6023), (4438, 4769)]