21743524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 23414876

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 589, 682, 836, 839, 1178, 1364, 1678, 2356, 3356, 6479, 9229, 12958, 15941, 18458, 25916, 26009, 31882, 36916, 52018, 63764, 104036, 175351, 286099, 350702, 494171, 572198, 701404, 988342, 1144396, 1976684, 5435881, 10871762, 21743524]

約数ペア:

[(1, 21743524), (2, 10871762), (4, 5435881), (11, 1976684), (19, 1144396), (22, 988342), (31, 701404), (38, 572198), (44, 494171), (62, 350702), (76, 286099), (124, 175351), (209, 104036), (341, 63764), (418, 52018), (589, 36916), (682, 31882), (836, 26009), (839, 25916), (1178, 18458), (1364, 15941), (1678, 12958), (2356, 9229), (3356, 6479)]