21218298196

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{509}}^1\times {\mathrm{2677}}^1$

素因数の和:3436

約数の個数: 48

約数和(自身を含む): 39580304400

約数和(自身を除く): 18362006204

約数列:

[1, 2, 4, 17, 34, 68, 229, 458, 509, 916, 1018, 2036, 2677, 3893, 5354, 7786, 8653, 10708, 15572, 17306, 34612, 45509, 91018, 116561, 182036, 233122, 466244, 613033, 1226066, 1362593, 1981537, 2452132, 2725186, 3963074, 5450372, 7926148, 10421561, 20843122, 23164081, 41686244, 46328162, 92656324, 312033797, 624067594, 1248135188, 5304574549, 10609149098, 21218298196]

約数ペア:

[(1, 21218298196), (2, 10609149098), (4, 5304574549), (17, 1248135188), (34, 624067594), (68, 312033797), (229, 92656324), (458, 46328162), (509, 41686244), (916, 23164081), (1018, 20843122), (2036, 10421561), (2677, 7926148), (3893, 5450372), (5354, 3963074), (7786, 2725186), (8653, 2452132), (10708, 1981537), (15572, 1362593), (17306, 1226066), (34612, 613033), (45509, 466244), (91018, 233122), (116561, 182036)]