21422416

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 43378920

約数和(自身を除く): 21956504

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 137, 232, 274, 337, 464, 548, 674, 1096, 1348, 2192, 2696, 3973, 5392, 7946, 9773, 15892, 19546, 31784, 39092, 46169, 63568, 78184, 92338, 156368, 184676, 369352, 738704, 1338901, 2677802, 5355604, 10711208, 21422416]

約数ペア:

[(1, 21422416), (2, 10711208), (4, 5355604), (8, 2677802), (16, 1338901), (29, 738704), (58, 369352), (116, 184676), (137, 156368), (232, 92338), (274, 78184), (337, 63568), (464, 46169), (548, 39092), (674, 31784), (1096, 19546), (1348, 15892), (2192, 9773), (2696, 7946), (3973, 5392)]