21017124

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{8461}}^1$

素因数の和:8497

約数の個数: 48

約数和(自身を含む): 56864640

約数和(自身を除く): 35847516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 8461, 16922, 25383, 33844, 50766, 76149, 101532, 152298, 194603, 228447, 304596, 389206, 456894, 583809, 778412, 913788, 1167618, 1751427, 2335236, 3502854, 5254281, 7005708, 10508562, 21017124]

約数ペア:

[(1, 21017124), (2, 10508562), (3, 7005708), (4, 5254281), (6, 3502854), (9, 2335236), (12, 1751427), (18, 1167618), (23, 913788), (27, 778412), (36, 583809), (46, 456894), (54, 389206), (69, 304596), (92, 228447), (108, 194603), (138, 152298), (207, 101532), (276, 76149), (414, 50766), (621, 33844), (828, 25383), (1242, 16922), (2484, 8461)]