21216294

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1291}}^1$

素因数の和:1393

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 29574810

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 83, 99, 166, 198, 249, 498, 747, 913, 1291, 1494, 1826, 2582, 2739, 3873, 5478, 7746, 8217, 11619, 14201, 16434, 23238, 28402, 42603, 85206, 107153, 127809, 214306, 255618, 321459, 642918, 964377, 1178683, 1928754, 2357366, 3536049, 7072098, 10608147, 21216294]

約数ペア:

[(1, 21216294), (2, 10608147), (3, 7072098), (6, 3536049), (9, 2357366), (11, 1928754), (18, 1178683), (22, 964377), (33, 642918), (66, 321459), (83, 255618), (99, 214306), (166, 127809), (198, 107153), (249, 85206), (498, 42603), (747, 28402), (913, 23238), (1291, 16434), (1494, 14201), (1826, 11619), (2582, 8217), (2739, 7746), (3873, 5478)]