21442372

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 45940608

約数和(自身を除く): 24498236

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 107, 119, 214, 238, 421, 428, 476, 749, 842, 1498, 1684, 1819, 2947, 2996, 3638, 5894, 7157, 7276, 11788, 12733, 14314, 25466, 28628, 45047, 50099, 50932, 90094, 100198, 180188, 200396, 315329, 630658, 765799, 1261316, 1531598, 3063196, 5360593, 10721186, 21442372]

約数ペア:

[(1, 21442372), (2, 10721186), (4, 5360593), (7, 3063196), (14, 1531598), (17, 1261316), (28, 765799), (34, 630658), (68, 315329), (107, 200396), (119, 180188), (214, 100198), (238, 90094), (421, 50932), (428, 50099), (476, 45047), (749, 28628), (842, 25466), (1498, 14314), (1684, 12733), (1819, 11788), (2947, 7276), (2996, 7157), (3638, 5894)]