21346254

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 80

約数和(自身を含む): 53003808

約数和(自身を除く): 31657554

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 69, 81, 102, 138, 153, 162, 207, 306, 337, 391, 414, 459, 621, 674, 782, 918, 1011, 1173, 1242, 1377, 1863, 2022, 2346, 2754, 3033, 3519, 3726, 5729, 6066, 7038, 7751, 9099, 10557, 11458, 15502, 17187, 18198, 21114, 23253, 27297, 31671, 34374, 46506, 51561, 54594, 63342, 69759, 103122, 131767, 139518, 154683, 209277, 263534, 309366, 395301, 418554, 464049, 627831, 790602, 928098, 1185903, 1255662, 2371806, 3557709, 7115418, 10673127, 21346254]

約数ペア:

[(1, 21346254), (2, 10673127), (3, 7115418), (6, 3557709), (9, 2371806), (17, 1255662), (18, 1185903), (23, 928098), (27, 790602), (34, 627831), (46, 464049), (51, 418554), (54, 395301), (69, 309366), (81, 263534), (102, 209277), (138, 154683), (153, 139518), (162, 131767), (207, 103122), (306, 69759), (337, 63342), (391, 54594), (414, 51561), (459, 46506), (621, 34374), (674, 31671), (782, 27297), (918, 23253), (1011, 21114), (1173, 18198), (1242, 17187), (1377, 15502), (1863, 11458), (2022, 10557), (2346, 9099), (2754, 7751), (3033, 7038), (3519, 6066), (3726, 5729)]