21305916

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3461}}^1$

素因数の和:3496

約数の個数: 60

約数和(自身を含む): 58646280

約数和(自身を除く): 37340364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3461, 6156, 6922, 10383, 13844, 20766, 31149, 41532, 62298, 65759, 93447, 124596, 131518, 186894, 197277, 263036, 280341, 373788, 394554, 560682, 591831, 789108, 1121364, 1183662, 1775493, 2367324, 3550986, 5326479, 7101972, 10652958, 21305916]

約数ペア:

[(1, 21305916), (2, 10652958), (3, 7101972), (4, 5326479), (6, 3550986), (9, 2367324), (12, 1775493), (18, 1183662), (19, 1121364), (27, 789108), (36, 591831), (38, 560682), (54, 394554), (57, 373788), (76, 280341), (81, 263036), (108, 197277), (114, 186894), (162, 131518), (171, 124596), (228, 93447), (324, 65759), (342, 62298), (513, 41532), (684, 31149), (1026, 20766), (1539, 13844), (2052, 10383), (3078, 6922), (3461, 6156)]