21635946

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 50581440

約数和(自身を除く): 28945494

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1543, 1558, 2337, 3086, 4629, 4674, 7011, 9258, 13887, 14022, 27774, 29317, 58634, 63263, 87951, 126526, 175902, 189789, 263853, 379578, 527706, 569367, 1138734, 1201997, 2403994, 3605991, 7211982, 10817973, 21635946]

約数ペア:

[(1, 21635946), (2, 10817973), (3, 7211982), (6, 3605991), (9, 2403994), (18, 1201997), (19, 1138734), (38, 569367), (41, 527706), (57, 379578), (82, 263853), (114, 189789), (123, 175902), (171, 126526), (246, 87951), (342, 63263), (369, 58634), (738, 29317), (779, 27774), (1543, 14022), (1558, 13887), (2337, 9258), (3086, 7011), (4629, 4674)]